Avoid unnecessary CRDT updates.

lynxkite-app/web/src/workspace/Workspace.tsx

@@ -80,7 +80,9 @@ function LynxKiteFlow() {
         if (!state.workspace.nodes) return;
         if (!state.workspace.edges) return;
         for (const n of state.workspace.nodes) {
-          n.dragHandle = ".bg-primary";
+          if (n.dragHandle !== ".bg-primary") {
+            n.dragHandle = ".bg-primary";
+          }
         }
         setNodes([...state.workspace.nodes] as Node[]);
         setEdges([...state.workspace.edges] as Edge[]);