[Refactor] Rework modelStore and ModelLibrarySidebarTab (#1350)

* nit

* Rename

* nit

* Move load model folders to app level

* Various fixes

* nit

* nit

* wip

* nit

* nit

* nit

* Split

* nit

* Add back spinner

* nit

* nit

* Add refresh button

* nit

* nit

* Preserve model folder order

* Avoid order change on folder open

src/views/GraphView.vue

@@ -37,6 +37,7 @@ import { useSidebarTabStore } from '@/stores/workspace/sidebarTabStore'
 import { useNodeBookmarkStore } from '@/stores/nodeBookmarkStore'
 import { useNodeDefStore, useNodeFrequencyStore } from '@/stores/nodeDefStore'
 import { useBottomPanelStore } from '@/stores/workspace/bottomPanelStore'
+import { useModelStore } from '@/stores/modelStore'
 
 setupAutoQueueHandler()
 
@@ -159,6 +160,9 @@ const onGraphReady = () => {
       // Load keybindings.
       useKeybindingStore().loadUserKeybindings()
 
+      // Load model folders
+      useModelStore().loadModelFolders()
+
       // Migrate legacy bookmarks
       useNodeBookmarkStore().migrateLegacyBookmarks()