Rework queue button (#968)

* Move queue button to right side

* Rework split button

* Group

* Remove unused code

* x2 buttons

* Use primevue divider

* adjust style

* Add tooltip

* Update test

* Add clearing pending tasks button to queue bar

* Fix state

* Dropdown list fix

src/stores/queueStore.ts

@@ -9,7 +9,7 @@ import type {
   TaskOutput,
   ResultItem
 } from '@/types/apiTypes'
-import type { ComfyNode, NodeId } from '@/types/comfyWorkflow'
+import type { NodeId } from '@/types/comfyWorkflow'
 import { plainToClass } from 'class-transformer'
 import _ from 'lodash'
 import { defineStore } from 'pinia'