[MM-37772] Idiomatic naming (URL, URI, API) (#18128)

* s/Url/URL/g & s/Uri/URI/g

* s/Api/API/g

api4/upload_local.go

@@ -4,7 +4,7 @@
 package api4
 
 func (api *API) InitUploadLocal() {
-	api.BaseRoutes.Uploads.Handle("", api.ApiLocal(createUpload)).Methods("POST")
-	api.BaseRoutes.Upload.Handle("", api.ApiLocal(getUpload)).Methods("GET")
-	api.BaseRoutes.Upload.Handle("", api.ApiLocal(uploadData)).Methods("POST")
+	api.BaseRoutes.Uploads.Handle("", api.APILocal(createUpload)).Methods("POST")
+	api.BaseRoutes.Upload.Handle("", api.APILocal(getUpload)).Methods("GET")
+	api.BaseRoutes.Upload.Handle("", api.APILocal(uploadData)).Methods("POST")
 }