format with gofumpt (#18184)

* gofumpt -w -l .

* gofumpt -w -l -extra .

* Add linter

* manual fix

* change make fmt

modules/web/middleware/flash.go

@@ -14,10 +14,8 @@ const (
 	InfoFlash    = "InfoMsg"
 )
 
-var (
-	// FlashNow FIXME:
-	FlashNow bool
-)
+// FlashNow FIXME:
+var FlashNow bool
 
 // Flash represents a one time data transfer between two requests.
 type Flash struct {

modules/web/middleware/locale.go

@@ -18,7 +18,7 @@ import (
 func Locale(resp http.ResponseWriter, req *http.Request) translation.Locale {
 	// 1. Check URL arguments.
 	lang := req.URL.Query().Get("lang")
-	var changeLang = lang != ""
+	changeLang := lang != ""
 
 	// 2. Get language information from cookies.
 	if len(lang) == 0 {