[MM-25748]Allow access to managed resources (#1311)

* init of a branch

* Add more descriptive comment

* fix for linter errors

* Refactor of popup code
Remove isTrustedPopupWindow check in setPermissionRequestHandler
Check which UA needs to be sent depending on a url

* Update src/utils/util.js

Co-authored-by: Guillermo Vayá <guivaya@gmail.com>

* Remove commented code:

* Revert package.json and package-lock.json to original ones

* Implement buildConfig support for multiple trusted resources

* Fix for a typo

* add comments

* code cleanup

Co-authored-by: Dusan Panic <dusan@salestrekker.com>
Co-authored-by: dpanic <dpanic@0point.co>
Co-authored-by: Guillermo Vayá <guivaya@gmail.com>

src/common/config/buildConfig.js

@@ -15,6 +15,7 @@
  * @prop {boolean} enableServerManagement - Whether users can edit servers configuration.
  *                                          Specify at least one server for "defaultTeams"
  *                                          when "enableServerManagement is set to false
+ * @prop {[]} managedResources - Defines which paths are managed
  */
 const buildConfig = {
   defaultTeams: [/*
@@ -26,6 +27,7 @@ const buildConfig = {
   helpLink: 'https://about.mattermost.com/default-desktop-app-documentation/',
   enableServerManagement: true,
   enableAutoUpdater: true,
+  managedResources: ['trusted'],
 };
 
 export default buildConfig;