[MM-50485] Migrate app to ServerManager, remove view names and replace with IDs (#2672)

* Migrate app to ServerManager, remove view names and replace with IDs

* Fixed a test

* Fixed a bug when adding the initial server

* Merge'd

* Bug fixes and PR feedback

e2e/specs/server_management/add_server_modal.test.js

@@ -137,7 +137,7 @@ describe('Add Server Modal', function desc() {
             const savedConfig = JSON.parse(fs.readFileSync(env.configFilePath, 'utf8'));
             savedConfig.teams.should.deep.contain({
                 name: 'TestTeam',
-                url: 'http://example.org',
+                url: 'http://example.org/',
                 order: 2,
                 tabs: [
                     {