Allow links in overflow menus

lib/components/base/Button.vue

@@ -53,7 +53,7 @@ const accentedButton = computed(() =>
 
 <template>
   <router-link
-    v-if="link"
+    v-if="link && link.startsWith('/')"
     class="btn"
     :class="{
       'icon-only': iconOnly,
@@ -81,6 +81,35 @@ const accentedButton = computed(() =>
     <ExternalIcon v-if="external && !iconOnly" class="external-icon" />
     <UnknownIcon v-if="!$slots.default" />
   </router-link>
+  <a
+    v-else-if="link"
+    class="btn"
+    :class="{
+      'icon-only': iconOnly,
+      'btn-large': large,
+      'btn-danger': color === 'danger',
+      'btn-primary': color === 'primary',
+      'btn-secondary': color === 'secondary',
+      'btn-highlight': color === 'highlight',
+      'btn-red': color === 'red',
+      'btn-orange': color === 'orange',
+      'btn-green': color === 'green',
+      'btn-blue': color === 'blue',
+      'btn-purple': color === 'purple',
+      'btn-gray': color === 'gray',
+      'btn-transparent': transparent,
+      'btn-hover-filled': hoverFilled,
+      'btn-hover-filled-only': hoverFilledOnly,
+      'btn-outline': outline,
+      'color-accent-contrast': accentedButton,
+    }"
+    :href="link"
+    :target="external ? '_blank' : '_self'"
+  >
+    <slot />
+    <ExternalIcon v-if="external && !iconOnly" class="external-icon" />
+    <UnknownIcon v-if="!$slots.default" />
+  </a>
   <button
     v-else
     class="btn"