docs(state): convert inline reset comment to TSDoc

Author: waleedlatif1

apps/sim/app/workspace/[workspaceId]/knowledge/components/edit-knowledge-base-modal/edit-knowledge-base-modal.tsx

@@ -44,7 +44,10 @@ export const EditKnowledgeBaseModal = memo(function EditKnowledgeBaseModal({
   const [isSubmitting, setIsSubmitting] = useState(false)
   const [error, setError] = useState<string | null>(null)
 
-  // Reset form fields when the modal opens (open transitions false → true).
+  /**
+   * Seed the fields only on the closed → open transition (render-phase reset),
+   * so a prop change while the modal is open never clobbers in-progress edits.
+   */
   const prevOpenRef = useRef(open)
   if (prevOpenRef.current !== open) {
     prevOpenRef.current = open