fix(sidebar): keep connection expansion stable

apps/desktop/src/components/sidebar/ConnectionTree.vue

@@ -15,6 +15,7 @@ import {
   SIDEBAR_TREE_SCROLL_BUFFER,
   flattenTree,
   scrollTopForExpandedTreeNode,
+  shouldAutoScrollExpandedTreeNode,
   shouldVirtualizeFlatTree,
   type FlatTreeNode,
 } from "@/composables/useFlatTree";
@@ -144,6 +145,7 @@ function onSearchToggle(node: TreeNode) {
 
 async function onNodeToggled(node: TreeNode, wasExpanded: boolean) {
   if (wasExpanded || !node.isExpanded) return;
+  if (!shouldAutoScrollExpandedTreeNode(node.type)) return;
 
   await nextTick();
 

apps/desktop/src/composables/useFlatTree.ts

@@ -30,6 +30,10 @@ export function shouldVirtualizeFlatTree(count: number): boolean {
   return count > 0;
 }
 
+export function shouldAutoScrollExpandedTreeNode(type: TreeNodeType): boolean {
+  return type !== "connection" && type !== "connection-group";
+}
+
 export function scrollTopForExpandedTreeNode(options: {
   expandedIndex: number;
   insertedRowCount: number;