Add password reset localization and chat configuration

- Implemented German and English localization for password reset functionality.
- Added WebSocket URL resolution logic in chat services to support various environments and configurations.
- Created centralized chat configuration for event keys and payload mappings.
- Developed RoomsView component for admin chat room management, including create, edit, and delete functionalities.

frontend/src/views/home/NoLoginView.vue

@@ -68,13 +68,16 @@ export default {
     methods: {
         ...mapActions(['login']),
         openRandomChat() {
-            this.$refs.randomChatDialog.open();
+            const dlg = this.$refs.randomChatDialog;
+            if (dlg && typeof dlg.open === 'function') dlg.open();
         },
         openRegisterDialog() {
-            this.$refs.registerDialog.open();
+            const dlg = this.$refs.registerDialog;
+            if (dlg && typeof dlg.open === 'function') dlg.open();
         },
         openPasswordResetDialog() {
-            this.$refs.passwordResetDialog.open();
+            const dlg = this.$refs.passwordResetDialog;
+            if (dlg && typeof dlg.open === 'function') dlg.open();
         },
         focusPassword() {
             this.$refs.passwordInput.focus();