API handler opts modifier (#26148)

* POC for API handler opts modifier

* Made upload POSt api a  file upload API

* Specified file upload local API

* Specified file upload local API

* Specified file upload API

* Simplified handler params

* Added basic security checks

* Fixed i18n

* used type for API handler options

* Removed limited reader from util deserializers (#26263)

server/channels/api4/upload.go

@@ -17,9 +17,9 @@ import (
 )
 
 func (api *API) InitUpload() {
-	api.BaseRoutes.Uploads.Handle("", api.APISessionRequired(createUpload)).Methods("POST")
+	api.BaseRoutes.Uploads.Handle("", api.APISessionRequired(createUpload, handlerParamFileAPI)).Methods("POST")
 	api.BaseRoutes.Upload.Handle("", api.APISessionRequired(getUpload)).Methods("GET")
-	api.BaseRoutes.Upload.Handle("", api.APISessionRequired(uploadData)).Methods("POST")
+	api.BaseRoutes.Upload.Handle("", api.APISessionRequired(uploadData, handlerParamFileAPI)).Methods("POST")
 }
 
 func createUpload(c *Context, w http.ResponseWriter, r *http.Request) {