Fix several issues around team join (#6863)

* Fix several issues around team join

* Open in modal and fix channel list

* Add joining states and fix issues

* i18n-extract

* add specific message for group related failures on joining teams

* Address feedback

* Address feedback

* Use error from server response

app/constants/screens.ts

@@ -29,6 +29,7 @@ export const HOME = 'Home';
 export const INTEGRATION_SELECTOR = 'IntegrationSelector';
 export const INTERACTIVE_DIALOG = 'InteractiveDialog';
 export const IN_APP_NOTIFICATION = 'InAppNotification';
+export const JOIN_TEAM = 'JoinTeam';
 export const LATEX = 'Latex';
 export const LOGIN = 'Login';
 export const MENTIONS = 'Mentions';
@@ -94,6 +95,7 @@ export default {
     INTEGRATION_SELECTOR,
     INTERACTIVE_DIALOG,
     IN_APP_NOTIFICATION,
+    JOIN_TEAM,
     LATEX,
     LOGIN,
     MENTIONS,

app/constants/server_errors.ts

@@ -5,4 +5,5 @@ export default {
     DELETED_ROOT_POST_ERROR: 'api.post.create_post.root_id.app_error',
     TOWN_SQUARE_READ_ONLY_ERROR: 'api.post.create_post.town_square_read_only',
     PLUGIN_DISMISSED_POST_ERROR: 'plugin.message_will_be_posted.dismiss_post',
+    TEAM_MEMBERSHIP_DENIAL_ERROR_ID: 'api.team.add_members.user_denied',
 };

app/constants/websocket.ts

@@ -51,6 +51,8 @@ const WebsocketEvents = {
     THREAD_UPDATED: 'thread_updated',
     THREAD_FOLLOW_CHANGED: 'thread_follow_changed',
     THREAD_READ_CHANGED: 'thread_read_changed',
+    DELETE_TEAM: 'delete_team',
+    RESTORE_TEAM: 'restore_team',
     APPS_FRAMEWORK_REFRESH_BINDINGS: 'custom_com.mattermost.apps_refresh_bindings',
     CALLS_CHANNEL_ENABLED: `custom_${Calls.PluginId}_channel_enable_voice`,
     CALLS_CHANNEL_DISABLED: `custom_${Calls.PluginId}_channel_disable_voice`,