bug fix :: 대화방 읽음 처리 버그 수정.

projects/ucap-webmessenger-app/src/app/store/messenger/event/effects.ts

@@ -123,21 +123,18 @@ export class Effects {
     { dispatch: false }
   );
 
-  read$ = createEffect(
+  read$ = createEffect(() =>
-    () => {
+    this.actions$.pipe(
-      return this.actions$.pipe(
+      ofType(read),
-        ofType(read),
+      exhaustMap(req =>
-        switchMap(req => {
+        this.eventProtocolService.read(req).pipe(
-          return this.eventProtocolService.read(req).pipe(
+          map((res: ReadResponse) => {
-            map((res: ReadResponse) => {
+            return readNotification({ noti: res });
-              readNotification({ noti: res });
+          }),
-            }),
+          catchError(error => of(readFailure({ error })))
-            catchError(error => of(readFailure({ error })))
+        )
-          );
+      )
-        })
+    )
-      );
-    },
-    { dispatch: false }
   );
 
   readNotification$ = createEffect(