[Desktop] Startup maintenance screen (#2253)

Co-authored-by: github-actions <github-actions@github.com>

src/components/common/RefreshButton.vue

@@ -0,0 +1,53 @@
+<!--
+  A refresh button that disables and shows a progress spinner whilst active.
+  
+  Usage:
+  ```vue
+    <RefreshButton
+      v-model="isRefreshing"
+      :outlined="false"
+      @refresh="refresh"
+    />
+  ```
+-->
+<template>
+  <Button
+    class="relative p-button-icon-only"
+    :outlined="props.outlined"
+    :severity="props.severity"
+    :disabled="active || props.disabled"
+    @click="(event) => $emit('refresh', event)"
+  >
+    <span
+      class="p-button-icon pi pi-refresh transition-all"
+      :class="{ 'opacity-0': active }"
+      data-pc-section="icon"
+    ></span>
+    <span class="p-button-label" data-pc-section="label">&nbsp;</span>
+    <ProgressSpinner v-show="active" class="absolute w-1/2 h-1/2" />
+  </Button>
+</template>
+
+<script setup lang="ts">
+import Button from 'primevue/button'
+import ProgressSpinner from 'primevue/progressspinner'
+
+import { VueSeverity } from '@/types/primeVueTypes'
+
+// Properties
+interface Props {
+  outlined?: boolean
+  disabled?: boolean
+  severity?: VueSeverity
+}
+const props = withDefaults(defineProps<Props>(), {
+  outlined: true,
+  severity: 'secondary'
+})
+
+// Model
+const active = defineModel<boolean>({ required: true })
+
+// Emits
+defineEmits(['refresh'])
+</script>