[AiAssistance] Fix space not triggering event for context element

Fixed: 399100484
Change-Id: I98542a5f3ded4e08da227abeb624a0d0c5b0e578
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/6298123
Commit-Queue: Samiya Caur <[email protected]>
Reviewed-by: Samiya Caur <[email protected]>
Auto-Submit: Ergün Erdoğmuş <[email protected]>
Commit-Queue: Ergün Erdoğmuş <[email protected]>

Author: ergunsh

front_end/panels/ai_assistance/components/ChatView.ts

@@ -960,7 +960,7 @@ function renderSelection({
   const icon = selectedContext?.getIcon() ?? Lit.nothing;
 
   const handleKeyDown = (ev: KeyboardEvent): void => {
-    if (ev.key === 'Enter') {
+    if (ev.key === 'Enter' || ev.key === ' ') {
       void onContextClick();
     }
   };