[backport core/1.42] fix: set topbar menus to non-modal so they dismiss on canvas interaction (#10869)

Backport of #10310 to `core/1.42`

Automatically created by backport workflow.

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-10869-backport-core-1-42-fix-set-topbar-menus-to-non-modal-so-they-dismiss-on-canvas-intera-33a6d73d3650818d9206cab5f9583b8a)
by [Unito](https://www.unito.io)

Co-authored-by: Yourz <crazilou@vip.qq.com>
Co-authored-by: Amp <amp@ampcode.com>

src/components/common/WorkflowActionsDropdown.vue

@@ -80,7 +80,11 @@ const tooltipPt = {
 </script>
 
 <template>
-  <DropdownMenuRoot v-model:open="dropdownOpen" @update:open="handleOpen">
+  <DropdownMenuRoot
+    v-model:open="dropdownOpen"
+    :modal="false"
+    @update:open="handleOpen"
+  >
     <slot name="button" :has-unseen-items="hasUnseenItems">
       <div
         class="pointer-events-auto inline-flex items-center rounded-lg bg-secondary-background"

src/components/topbar/WorkflowTab.vue

@@ -1,5 +1,5 @@
 <template>
-  <ContextMenuRoot>
+  <ContextMenuRoot :modal="false">
     <ContextMenuTrigger as-child>
       <div
         ref="workflowTabRef"