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/brand.go

@@ -13,7 +13,7 @@ import (
 
 func (api *API) InitBrand() {
 	api.BaseRoutes.Brand.Handle("/image", api.APIHandlerTrustRequester(getBrandImage)).Methods("GET")
-	api.BaseRoutes.Brand.Handle("/image", api.APISessionRequired(uploadBrandImage)).Methods("POST")
+	api.BaseRoutes.Brand.Handle("/image", api.APISessionRequired(uploadBrandImage, handlerParamFileAPI)).Methods("POST")
 	api.BaseRoutes.Brand.Handle("/image", api.APISessionRequired(deleteBrandImage)).Methods("DELETE")
 }