update notif (#4937)

# Description of Changes
<img width="1521" height="1041" alt="image"
src="https://github.com/user-attachments/assets/2644bf70-0a9b-4c91-9046-02f555314608"
/>

<img width="1162" height="1598" alt="image"
src="https://github.com/user-attachments/assets/36d693f7-6fdd-4f2b-9db1-39ac336d9055"
/>

<img width="1220" height="1625" alt="image"
src="https://github.com/user-attachments/assets/4d4c19ea-0020-45fb-b15a-9f6ad377856c"
/>

<!--
Please provide a summary of the changes, including:

- What was changed
- Why the change was made
- Any challenges encountered

Closes #(issue_number)
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---

## Checklist

### General

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

### Documentation

- [ ] 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)
- [ ] I have read the section [Add New Translation
Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

### Translations (if applicable)

- [ ] I ran
[`scripts/counter_translation.py`](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/docs/counter_translation.md)

### UI Changes (if applicable)

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

### Testing (if applicable)

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

frontend/src/core/styles/zIndex.ts

@@ -15,7 +15,7 @@ export const Z_INDEX_HOVER_ACTION_MENU = 100;
 export const Z_INDEX_SELECTION_BOX = 1000;
 export const Z_INDEX_DROP_INDICATOR = 1001;
 export const Z_INDEX_DRAG_BADGE = 1001;
-// Modal that appears on top of config modal (e.g., restart confirmation)
+// Modal that appears on top of config modal (e.g., restart confirmation, update modal)
 export const Z_INDEX_OVER_CONFIG_MODAL = 2000;
 
 // Toast notifications and error displays - Always on top (higher than rainbow theme at 10000)