🐛(frontend) fix interlinking click with Firefox

Fixed Firefox requiring double-click on
interlinks by adding draggable="false" to prevent
drag detection conflicts in contenteditable areas.

src/frontend/apps/impress/src/features/docs/doc-editor/components/custom-inline-content/Interlinking/InterlinkingLinkInlineContent.tsx

@@ -55,6 +55,7 @@ const LinkSelected = ({ url, title }: LinkSelectedProps) => {
   return (
     <StyledLink
       href={url}
+      draggable="false"
       $css={css`
         display: inline;
         padding: 0.1rem 0.4rem;