[BUG][Swift] fix decimal encoding referencing not existing extension method "encodeToJSON" (#14307)

* feat: add decimal extension "encodeToJSON"

* feat: add decimal extension "encodeToJSON"

modules/openapi-generator/src/main/resources/swift5/Extensions.mustache

@@ -35,6 +35,10 @@ extension Double: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }
 
+extension Decimal: JSONEncodable {
+    func encodeToJSON() -> Any { self }
+}
+
 extension String: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }

samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Extensions.swift

@@ -33,6 +33,10 @@ extension Double: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }
 
+extension Decimal: JSONEncodable {
+    func encodeToJSON() -> Any { self }
+}
+
 extension String: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }

samples/client/petstore/swift5/asyncAwaitLibrary/PetstoreClient/Classes/OpenAPIs/Extensions.swift

@@ -33,6 +33,10 @@ extension Double: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }
 
+extension Decimal: JSONEncodable {
+    func encodeToJSON() -> Any { self }
+}
+
 extension String: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }

samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Extensions.swift

@@ -33,6 +33,10 @@ extension Double: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }
 
+extension Decimal: JSONEncodable {
+    func encodeToJSON() -> Any { self }
+}
+
 extension String: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }

samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Extensions.swift

@@ -33,6 +33,10 @@ extension Double: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }
 
+extension Decimal: JSONEncodable {
+    func encodeToJSON() -> Any { self }
+}
+
 extension String: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }

samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/Extensions.swift

@@ -33,6 +33,10 @@ extension Double: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }
 
+extension Decimal: JSONEncodable {
+    func encodeToJSON() -> Any { self }
+}
+
 extension String: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }

samples/client/petstore/swift5/frozenEnums/PetstoreClient/Classes/OpenAPIs/Extensions.swift

@@ -33,6 +33,10 @@ extension Double: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }
 
+extension Decimal: JSONEncodable {
+    func encodeToJSON() -> Any { self }
+}
+
 extension String: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }

samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Extensions.swift

@@ -33,6 +33,10 @@ extension Double: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }
 
+extension Decimal: JSONEncodable {
+    func encodeToJSON() -> Any { self }
+}
+
 extension String: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }

samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Extensions.swift

@@ -33,6 +33,10 @@ extension Double: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }
 
+extension Decimal: JSONEncodable {
+    func encodeToJSON() -> Any { self }
+}
+
 extension String: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }

samples/client/petstore/swift5/oneOf/PetstoreClient/Classes/OpenAPIs/Extensions.swift

@@ -33,6 +33,10 @@ extension Double: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }
 
+extension Decimal: JSONEncodable {
+    func encodeToJSON() -> Any { self }
+}
+
 extension String: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }

samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Extensions.swift

@@ -34,6 +34,10 @@ extension Double: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }
 
+extension Decimal: JSONEncodable {
+    func encodeToJSON() -> Any { self }
+}
+
 extension String: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }

samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Extensions.swift

@@ -33,6 +33,10 @@ extension Double: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }
 
+extension Decimal: JSONEncodable {
+    func encodeToJSON() -> Any { self }
+}
+
 extension String: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }

samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Extensions.swift

@@ -33,6 +33,10 @@ extension Double: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }
 
+extension Decimal: JSONEncodable {
+    func encodeToJSON() -> Any { self }
+}
+
 extension String: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }

samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Extensions.swift

@@ -33,6 +33,10 @@ extension Double: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }
 
+extension Decimal: JSONEncodable {
+    func encodeToJSON() -> Any { self }
+}
+
 extension String: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }

samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Extensions.swift

@@ -33,6 +33,10 @@ extension Double: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }
 
+extension Decimal: JSONEncodable {
+    func encodeToJSON() -> Any { self }
+}
+
 extension String: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }

samples/client/petstore/swift5/x-swift-hashable/PetstoreClient/Classes/OpenAPIs/Extensions.swift

@@ -33,6 +33,10 @@ extension Double: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }
 
+extension Decimal: JSONEncodable {
+    func encodeToJSON() -> Any { self }
+}
+
 extension String: JSONEncodable {
     func encodeToJSON() -> Any { self }
 }