Merge pull request #21431 from overleaf/td-bs5-pdf-zoom-arrow

[BS5] Change PDF zoom button so that arrow size matches text size

GitOrigin-RevId: e989cb96c67c0f14957696fc31fba2355230eb71

services/web/frontend/js/features/pdf-preview/components/pdf-zoom-dropdown.tsx

@@ -176,9 +176,9 @@ function PdfZoomDropdown({
           <DropdownToggle
             id="pdf-zoom-dropdown"
             variant="link"
-            className="pdf-toolbar-btn pdfjs-zoom-dropdown-button"
+            className="pdf-toolbar-btn pdfjs-zoom-dropdown-button small"
           >
-            <small>{rawScaleToPercentage(rawScale)}</small>
+            {rawScaleToPercentage(rawScale)}
           </DropdownToggle>
           <DropdownMenu className="pdfjs-zoom-dropdown-menu">
             <li role="none">