Better inline model resolver to handle inline schema in array item (#12104)

* better support of inline schema in array item

* update tests

* update samples

* regenerate samples

* fix allof naming, remove files

* add files

* update samples

* update readme

* fix tests

* update samples

* update samples

* add new files

* update test spec

* add back tests

* remove unused files

* comment out python test

* update js test using own spec

* remove files

* remove unused files

* remove files

* remove unused files

* better handling of allOf with a single type

* comment out go test

* remove test_all_of_with_single_ref_single_ref_type.py

* fix inline resolver, uncomment go test

samples/client/petstore/java/okhttp-gson/api/openapi.yaml

@@ -2332,6 +2332,23 @@ components:
       type: object
       xml:
         name: Pet
+    ArrayOfInlineAllOf:
+      properties:
+        id:
+          format: int64
+          type: integer
+        name:
+          example: doggie
+          type: string
+        array_allof_dog_property:
+          items:
+            allOf:
+            - $ref: '#/components/schemas/Dog_allOf'
+            - $ref: '#/components/schemas/ArrayOfInlineAllOf_array_allof_dog_propertyItems_allOf'
+          type: array
+      required:
+      - name
+      type: object
     inline_response_default:
       example:
         string:
@@ -2487,6 +2504,11 @@ components:
         declawed:
           type: boolean
       type: object
+    ArrayOfInlineAllOf_array_allof_dog_propertyItems_allOf:
+      properties:
+        color:
+          type: string
+      type: object
   securitySchemes:
     petstore_auth:
       flows: