fix(conversations): 切换 Bot 时右侧栏保持打开并自动切换内容

src/client/views/ConversationsView.vue

@@ -887,7 +887,6 @@ watch([selected,selectedTask], () => {
   pendingRequestId = undefined;uploadedSources = [];uploadedReferences = []
   void load()
 })
-watch(selected,()=>{dockView.value=undefined})
 watch(() => auth.user?.id, (owner, previous) => {
   if (owner === previous) return
   knowledgePanel.value?.close(); knowledgeEnabled.value = false; projects.value = []; knowledgeRevision.value++