[MM-54863] Add permissions manager UI in Edit Server modal, improve permission checks to be less missable (#3059)

* [MM-54863] Add permissions manager UI in Edit Server modal, improve permission checks to be less missable

* Removing this for E2E (which was having issues anyways)

* PR feedback

* Disable permissions dialog for current E2E tests

* Fixed the dark mode CSS

* Update icon

src/types/permissions.ts

@@ -0,0 +1,13 @@
+// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+import type {UniqueServer} from './config';
+
+export type Permissions = {
+    [permission: string]: {
+        allowed: boolean;
+        alwaysDeny?: boolean;
+    };
+};
+
+export type UniqueServerWithPermissions = {server: UniqueServer; permissions: Permissions};