Component: The Rest of the PrimeVue buttons (#7649)

## Summary

Automated initial change, cleaned up manually.

Please check the screenshot changes.

Includes a11y updates to icon buttons.

Doesn't hit the buttons in Desktop.

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-7649-WIP-Component-The-Rest-of-the-PrimeVue-buttons-2ce6d73d365081d68e06f200f1321267)
by [Unito](https://www.unito.io)

---------

Co-authored-by: GitHub Action <action@github.com>
Co-authored-by: github-actions <github-actions@github.com>
Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

src/components/sidebar/tabs/ModelLibrarySidebarTab.vue

@@ -3,18 +3,22 @@
     <template #tool-buttons>
       <Button
         v-tooltip.bottom="$t('g.refresh')"
-        icon="pi pi-refresh"
-        severity="secondary"
-        text
+        variant="muted-textonly"
+        size="icon"
+        :aria-label="$t('g.refresh')"
         @click="modelStore.loadModelFolders"
-      />
+      >
+        <i class="icon-[lucide--refresh-cw] size-4" />
+      </Button>
       <Button
         v-tooltip.bottom="$t('g.loadAllFolders')"
-        icon="pi pi-cloud-download"
-        severity="secondary"
-        text
+        variant="muted-textonly"
+        size="icon"
+        :aria-label="$t('g.loadAllFolders')"
         @click="modelStore.loadModels"
-      />
+      >
+        <i class="icon-[lucide--cloud-download] size-4" />
+      </Button>
     </template>
     <template #header>
       <div class="px-2 2xl:px-4">
@@ -46,7 +50,6 @@
 
 <script setup lang="ts">
 import { Divider } from 'primevue'
-import Button from 'primevue/button'
 import { computed, nextTick, onMounted, ref, toRef, watch } from 'vue'
 
 import SearchBox from '@/components/common/SearchBox.vue'
@@ -54,6 +57,7 @@ import TreeExplorer from '@/components/common/TreeExplorer.vue'
 import SidebarTabTemplate from '@/components/sidebar/tabs/SidebarTabTemplate.vue'
 import ElectronDownloadItems from '@/components/sidebar/tabs/modelLibrary/ElectronDownloadItems.vue'
 import ModelTreeLeaf from '@/components/sidebar/tabs/modelLibrary/ModelTreeLeaf.vue'
+import Button from '@/components/ui/button/Button.vue'
 import { useTreeExpansion } from '@/composables/useTreeExpansion'
 import { useSettingStore } from '@/platform/settings/settingStore'
 import { useLitegraphService } from '@/services/litegraphService'