[V2] refactor(tooltips): add merge tooltips header for consistency, and update other tooltips (#4895)

# Description of Changes

Note on tooltips: I'll do more PRs on tooltips, however this has
priority, hence I submitted this for now.


#### Before:

<img width="758" height="721" alt="image"
src="https://github.com/user-attachments/assets/ce3166d2-c681-447e-82df-68fe6d18669d"
/>

<img width="782" height="485" alt="image"
src="https://github.com/user-attachments/assets/48970a4c-9911-4ade-9346-c33c5a6a319f"
/>

<img width="782" height="602" alt="image"
src="https://github.com/user-attachments/assets/9f77648d-4d1a-4e4b-93af-eaab6db849ff"
/>

<img width="782" height="602" alt="image"
src="https://github.com/user-attachments/assets/ae653534-bf04-47a0-8aab-0bb5b9c3ecef"
/>

#### After:
<img width="758" height="721" alt="image"
src="https://github.com/user-attachments/assets/8d45e876-a0df-4fe3-89a8-5184492db204"
/>

<img width="782" height="602" alt="image"
src="https://github.com/user-attachments/assets/550ee105-1286-4072-9f55-46255b3fbe80"
/>

<img width="782" height="602" alt="image"
src="https://github.com/user-attachments/assets/fba7ea93-73fe-4529-84fe-c37816375a9e"
/>
<img width="782" height="602" alt="image"
src="https://github.com/user-attachments/assets/ca452e77-b58b-4a5b-8e97-e6ccef4cf500"
/>


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- Why the change was made
- Any challenges encountered

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---

## 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/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)
- [X] I have performed a self-review of my own code
- [X] 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)

- [X] 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.

---------

Signed-off-by: Balázs Szücs <[email protected]>

frontend/src/core/tools/AutoRename.tsx

@@ -9,21 +9,28 @@ import { useAutoRenameTips } from "@app/components/tooltips/useAutoRenameTips";
 
 const AutoRename =(props: BaseToolProps) => {
   const { t } = useTranslation();
+  const autoRenameTips = useAutoRenameTips();
 
   const base = useBaseTool(
-    '"auto-rename-pdf-file',
+    'auto-rename-pdf-file',
     useAutoRenameParameters,
     useAutoRenameOperation,
     props
   );
 
 return createToolFlow({
-    title: { title:t("auto-rename.title", "Auto Rename PDF"), description: t("auto-rename.description", "Auto Rename PDF"), tooltip: useAutoRenameTips()},
     files: {
       selectedFiles: base.selectedFiles,
       isCollapsed: base.hasResults,
     },
-    steps: [],
+    steps: [
+      {
+        title: t("auto-rename.settings.title", "About"),
+        isCollapsed: false,
+        tooltip: autoRenameTips,
+        content: null,
+      },
+    ],
     executeButton: {
       text: t("auto-rename.submit", "Auto Rename"),
       isVisible: !base.hasResults,