fix(firebase): fix save fcm token logic

static/js/teacher_modals.js

@@ -0,0 +1,22 @@
+// Teacher Modals JavaScript
+document.addEventListener('DOMContentLoaded', function() {
+    console.log('Teacher modals initialized');
+    
+    // Initialize any modals that need to be shown
+    const modals = document.querySelectorAll('.modal');
+    modals.forEach(modal => {
+        if (modal.classList.contains('show')) {
+            const modalInstance = new bootstrap.Modal(modal);
+            modalInstance.show();
+        }
+    });
+
+    // Handle modal close events
+    document.querySelectorAll('.modal').forEach(modal => {
+        modal.addEventListener('hidden.bs.modal', function () {
+            // Clean up any form data or reset states
+            const forms = modal.querySelectorAll('form');
+            forms.forEach(form => form.reset());
+        });
+    });
+});