Keep workflow nodes initialized

webui/src/features/workflow/WorkflowCanvas.tsx

@@ -67,6 +67,8 @@ export default function WorkflowCanvas({
         id: node.id,
         type: "workflow" as const,
         position: node.position,
+        initialWidth: 190,
+        initialHeight: 56,
         selected: node.id === selectedNodeId,
         data: {
           label: node.label,
@@ -171,7 +173,13 @@ export default function WorkflowCanvas({
         nodeTypes={nodeTypes}
         onInit={setInstance}
         onNodesChange={(changes) => {
-          if (!readOnly) updateNodes(applyNodeChanges(changes, nodes));
+          if (readOnly) return;
+          const graphChanges = changes.filter(
+            (change) => change.type !== "dimensions"
+          );
+          if (graphChanges.length) {
+            updateNodes(applyNodeChanges(graphChanges, nodes));
+          }
         }}
         onEdgesChange={(changes) => {
           if (!readOnly) updateEdges(applyEdgeChanges(changes, edges));