set translations after locale has been set, fixes #2089

Closes #2089

Merge request studip/studip!1370

resources/assets/javascripts/bootstrap/application.js

 import { $gettext } from '../lib/gettext.js';
+import eventBus from "../lib/event-bus";
 
 /* ------------------------------------------------------------------------
  * application.js
@@ -180,11 +181,14 @@ jQuery.ui.accordion.prototype.options.icons = {
     header: 'arrow_right',
     activeHeader: 'arrow_down'
 };
-jQuery.extend(jQuery.ui.dialog.prototype.options, {
-    closeText: $gettext('Schließen')
+eventBus.on('studip:set-locale', () => {
+    jQuery.extend(jQuery.ui.dialog.prototype.options, {
+        closeText: $gettext('Schließen')
+    });
 });
 
 
+
 /* ------------------------------------------------------------------------
  * jQuery timepicker
  * ------------------------------------------------------------------------ */

resources/assets/javascripts/bootstrap/multi_select.js

 import { $gettext } from '../lib/gettext.js';
+import eventBus from "../lib/event-bus";
 
-STUDIP.domReady(() => {
+eventBus.on('studip:set-locale', () => {
     $.extend($.ui.multiselect, {
         locale: {
             addAll: $gettext('Alle hinzufügen'),

resources/assets/javascripts/cke/studip-a11y-dialog/a11y-dialog.js

@@ -6,7 +6,7 @@ import A11YDialogUI from './ui.js';
 
 export function updateVoiceLabel() {
     add('de', {
-        'Rich Text Editor': $gettext('Rich Text Editor (Um Bedienhinweise zu erhalten, drücken Sie ALT+0 im Eingabefeld.)'),
+        'Rich Text Editor': 'Rich Text Editor (Um Bedienhinweise zu erhalten, drücken Sie ALT+0 im Eingabefeld.)',
     });
 }
 

resources/assets/javascripts/lib/calendar.js

 import { $gettext } from '../lib/gettext.js';
+import eventBus from "./event-bus";
+
+eventBus.on('studip:set-locale', () => {
+    Calendar.day_names = [
+        $gettext('Montag'),
+        $gettext('Dienstag'),
+        $gettext('Mittwoch'),
+        $gettext('Donnerstag'),
+        $gettext('Freitag'),
+        $gettext('Samstag'),
+        $gettext('Sonntag'),
+    ];
+});
 
 /* ------------------------------------------------------------------------
  * calendar gui
@@ -12,13 +25,13 @@ const Calendar = {
     click_in_progress: false,
 
     day_names: [
-        $gettext('Montag'),
-        $gettext('Dienstag'),
-        $gettext('Mittwoch'),
-        $gettext('Donnerstag'),
-        $gettext('Freitag'),
-        $gettext('Samstag'),
-        $gettext('Sonntag')
+        'Montag',
+        'Dienstag',
+        'Mittwoch',
+        'Donnerstag',
+        'Freitag',
+        'Samstag',
+        'Sonntag',
     ],
 
     /**

resources/assets/javascripts/lib/forum.js

 import { $gettext } from "./gettext.js";
+import eventBus from "./event-bus";
+
+eventBus.on('studip:set-locale', () => {
+    Forum.warning_text = $gettext('Wenn Sie die Seite verlassen, gehen ihre Änderungen verloren!');
+});
 
 const Forum = {
     confirmDialog: null,
     current_area_id: null,
     current_category_id: null,
     seminar_id: null,
-    warning_text: $gettext('Wenn Sie die Seite verlassen, gehen ihre Änderungen verloren!'),
+    warning_text: 'Wenn Sie die Seite verlassen, gehen ihre Änderungen verloren!',
     clipboard: {},
 
     getTemplate: _.memoize(function(name) {