couple of small fixes for text editor (#5155)

# Description of Changes

- Workbench.tsx: Allow PDF text editor to handle it's own custom state
(this is a bit of a hotfix, we're going to handle the PDF text editors
file upload flow better in a future PR).
- PdfTextEditorView.tsx: Added a dropzone and some helper text to upload
the first file.
- PdfTextEditorView.tsx: Hide document view when isConverting is true.
Prevents showing stale content from previous file during conversion.
- useTranslatedToolRegistry.tsx: Moved PDF Text Editor to top of
Recommended tools list. Increased visibility of the new feature.
- PdfTextEditor.tsx: Removed auto-navigation to PDF Editor workbench on
file selection. Stops the "jumpy" behavior when selecting files.
- HomePage.tsx: Check specifically for pdfTextEditor tool instead of any
custom workbench. Prevents auto-switch to viewer when uploading files
while in PDF Text Editor.

<img width="2056" height="1073" alt="Screenshot 2025-12-03 at 6 01
14 PM"
src="https://github.com/user-attachments/assets/dfc63a46-7991-486c-ba00-0ce7637502f5"
/>


---

## 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)

### 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.

---------

Co-authored-by: Anthony Stirling <[email protected]>

frontend/src/core/components/layout/Workbench.tsx

@@ -71,6 +71,20 @@ export default function Workbench() {
   };
 
   const renderMainContent = () => {
+    // Check for custom workbench views first
+    if (!isBaseWorkbench(currentView)) {
+      const customView = customWorkbenchViews.find((view) => view.workbenchId === currentView && view.data != null);
+      if (customView) {
+        // PDF text editor handles its own empty state (shows dropzone when no document)
+        const handlesOwnEmptyState = currentView === 'custom:pdfTextEditor';
+        if (handlesOwnEmptyState || activeFiles.length > 0) {
+          const CustomComponent = customView.component;
+          return <CustomComponent data={customView.data} />;
+        }
+      }
+    }
+
+    // For base workbenches (or custom views that don't handle empty state), show landing page when no files
     if (activeFiles.length === 0) {
       return (
         <LandingPage
@@ -143,15 +157,6 @@ export default function Workbench() {
         );
 
       default:
-        if (!isBaseWorkbench(currentView)) {
-          const customView = customWorkbenchViews.find((view) => view.workbenchId === currentView && view.data != null);
-            
-          
-          if (customView) {
-            const CustomComponent = customView.component;
-            return <CustomComponent data={customView.data} />;
-          }
-        }
         return <LandingPage />;
     }
   };