[MM-50352] Improve URL validation and add/edit server experience (#2720)

* [MM-50352] Improve URL validation and add/edit server experience

* Fix build

* Fix translations

* First pass of fixes

* Some changes to avoid 2 clicks, tests

* PR feedback

* Update translations

* PR feedback

* Fix translations

* PR feedback

* E2E test fixes

src/common/communication.ts

@@ -170,3 +170,5 @@ export const UPDATE_APPSTATE_FOR_VIEW_ID = 'update-appstate-for-view-id';
 export const MAIN_WINDOW_CREATED = 'main-window-created';
 export const MAIN_WINDOW_RESIZED = 'main-window-resized';
 export const MAIN_WINDOW_FOCUSED = 'main-window-focused';
+
+export const VALIDATE_SERVER_URL = 'validate-server-url';

src/common/utils/constants.ts

@@ -44,6 +44,17 @@ export const DOWNLOADS_DROPDOWN_MENU_FULL_HEIGHT = DOWNLOADS_DROPDOWN_MENU_HEIGH
 export const DOWNLOADS_DROPDOWN_MAX_ITEMS = 50;
 export const DOWNLOADS_DROPDOWN_AUTOCLOSE_TIMEOUT = 4000; // 4 sec
 
+export const URLValidationStatus = {
+    OK: 'OK',
+    Missing: 'MISSING',
+    Invalid: 'INVALID',
+    Insecure: 'INSECURE',
+    URLExists: 'URL_EXISTS',
+    NotMattermost: 'NOT_MATTERMOST',
+    URLNotMatched: 'URL_NOT_MATCHED',
+    URLUpdated: 'URL_UPDATED',
+};
+
 // supported custom login paths (oath, saml)
 export const customLoginRegexPaths = [
     /^\/oauth\/authorize$/i,