Refactor controllers to remove unnecessary return statements after JSON responses

- Removed redundant return statements in various controller functions across the dashboard module.
- This change improves code readability and maintains the same functionality.

internal/controllers/api/channel_controller.go

@@ -33,7 +33,6 @@ func ChannelAnyConfig(ctx *gin.Context) {
 		Width:       cfg.Width,
 	}
 	httpx.WriteJSON(ctx, ret)
-	return
 }
 
 type webLikeWidgetConfig struct {

internal/controllers/api/conversation_controller.go

@@ -39,7 +39,6 @@ func ConversationGetBy(ctx *gin.Context, id int64) {
 		Participants:         builders.BuildParticipantResponses(id),
 	}
 	httpx.WriteJSON(ctx, detail)
-	return
 }
 
 func ConversationPostCreate_or_match(ctx *gin.Context) {
@@ -60,7 +59,6 @@ func ConversationPostCreate_or_match(ctx *gin.Context) {
 		return
 	}
 	httpx.WriteJSON(ctx, builders.BuildConversation(item))
-	return
 }
 
 func ConversationPostClose(ctx *gin.Context) {
@@ -84,5 +82,4 @@ func ConversationPostClose(ctx *gin.Context) {
 		return
 	}
 	httpx.WriteJSON(ctx, nil)
-	return
 }

internal/controllers/api/customer_controller.go

@@ -26,5 +26,4 @@ func CustomerPostSession_exchange(ctx *gin.Context) {
 		return
 	}
 	httpx.WriteJSON(ctx, resp)
-	return
 }

internal/controllers/api/message_controller.go

@@ -53,7 +53,6 @@ func MessageAnyList(ctx *gin.Context) {
 	)
 	results := builders.BuildMessages(list)
 	httpx.WriteJSON(ctx, httpx.CursorData(results, cast.ToString(nextCursor), hasMore))
-	return
 }
 
 func MessagePostSend(ctx *gin.Context) {
@@ -79,7 +78,6 @@ func MessagePostSend(ctx *gin.Context) {
 		return
 	}
 	httpx.WriteJSON(ctx, builders.BuildMessage(item))
-	return
 }
 
 func MessagePostRead(ctx *gin.Context) {
@@ -103,7 +101,6 @@ func MessagePostRead(ctx *gin.Context) {
 		return
 	}
 	httpx.WriteJSON(ctx, nil)
-	return
 }
 
 func MessagePostUpload_image(ctx *gin.Context) {
@@ -157,7 +154,6 @@ func MessagePostUpload_image(ctx *gin.Context) {
 		return
 	}
 	httpx.WriteJSON(ctx, builders.BuildAsset(item))
-	return
 }
 
 func MessagePostUpload_attachment(ctx *gin.Context) {
@@ -197,5 +193,4 @@ func MessagePostUpload_attachment(ctx *gin.Context) {
 		return
 	}
 	httpx.WriteJSON(ctx, builders.BuildAsset(item))
-	return
 }