Fix tab container logic bug (#2840)

# Description of Changes

Please provide a summary of the changes, including:

Overhauled logic for tab-containers on sign page to fix compatibility
issues with new Tooltip system

Closes #(2839)

---

## Checklist

### General

- [x ] I have read the [Contribution
Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
- [ x] I have read the [Stirling-PDF Developer
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/DeveloperGuide.md)
(if applicable)
- [ x] I have read the [How to add new languages to
Stirling-PDF](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/HowToAddNewLanguage.md)
(if applicable)
- [ x] I have performed a self-review of my own code
- [x ] My changes generate no new warnings

### Documentation

- [ x] I have updated relevant docs on [Stirling-PDF's doc
repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/)
(if functionality has heavily changed)
- [ x] I have read the section [Add New Translation
Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

### UI Changes (if applicable)

- [ x] Screenshots or videos demonstrating the UI changes are attached
(e.g., as comments or direct attachments in the PR)

### Testing (if applicable)

- [ x] I have tested my changes locally. Refer to the [Testing
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/DeveloperGuide.md#6-testing)
for more details.

src/main/resources/static/js/navbar.js

@@ -43,37 +43,36 @@ function toolsManager() {
 }
 
 window.tooltipSetup = () => {
-  const tooltipElements = document.querySelectorAll("[title]");
+  const tooltipElements = document.querySelectorAll('[title]');
 
   tooltipElements.forEach((element) => {
-    const tooltipText = element.getAttribute("title");
-    element.removeAttribute("title");
-
-    const customTooltip = document.createElement("div");
-    customTooltip.className = "btn-tooltip";
+    const tooltipText = element.getAttribute('title');
+    element.removeAttribute('title');
+    element.setAttribute('data-title, tooltipText');
+    const customTooltip = document.createElement('div');
+    customTooltip.className = 'btn-tooltip';
     customTooltip.textContent = tooltipText;
 
     document.body.appendChild(customTooltip);
 
-    element.addEventListener("mouseenter", (event) => {
-      customTooltip.style.display = "block";
+    element.addEventListener('mouseenter', (event) => {
+      customTooltip.style.display = 'block';
       customTooltip.style.left = `${event.pageX + 10}px`; // Position tooltip slightly away from the cursor
       customTooltip.style.top = `${event.pageY + 10}px`;
     });
 
     // Update the position of the tooltip as the user moves the mouse
-    element.addEventListener("mousemove", (event) => {
+    element.addEventListener('mousemove', (event) => {
       customTooltip.style.left = `${event.pageX + 10}px`;
       customTooltip.style.top = `${event.pageY + 10}px`;
     });
 
-
     // Hide the tooltip when the mouse leaves
-    element.addEventListener("mouseleave", () => {
-      customTooltip.style.display = "none";
+    element.addEventListener('mouseleave', () => {
+      customTooltip.style.display = 'none';
     });
   });
-}
-document.addEventListener("DOMContentLoaded", () => {
+};
+document.addEventListener('DOMContentLoaded', () => {
   tooltipSetup();
 });