don't warn if required module

apps/remix-ide/src/app/files/fileManager.js

@@ -506,7 +506,8 @@ class FileManager extends Plugin {
   async setFileContent (path, content) {
     if (this.currentRequest) {
       const canCall = await this.askUserPermission('writeFile', '')
-      if (canCall) {
+      const required = this.appManager.isRequired(this.currentRequest.from)
+      if (canCall && !required) {
         // inform the user about modification after permission is granted and even if permission was saved before
         toaster(yo`
           <div>