V2 styling requests (#4288)

some of the requested changes warrant discussion so I haven't applied
all of them here. Making a draft PR for now, we can discuss the rest
later

# Description of Changes

See Matts todo list, the crossed out items are what were addressed in
this PR

---

## 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: James Brunton <[email protected]>

frontend/src/components/tools/shared/renderToolButtons.tsx

@@ -19,7 +19,7 @@ export const renderToolButtons = (
     {showSubcategoryHeader && (
       <SubcategoryHeader label={getSubcategoryLabel(t, subcategory.subcategoryId)} />
     )}
-    <Stack gap="xs">
+    <div>
       {subcategory.tools.map(({ id, tool }) => (
         <ToolButton
           key={id}
@@ -29,6 +29,6 @@ export const renderToolButtons = (
           onSelect={onSelect}
         />
       ))}
-    </Stack>
+    </div>
   </Box>
 );