minor fixes

components/Layout/Parameters/Menu.vue

@@ -31,7 +31,7 @@
     <template #append>
       <v-btn
         :href="homeUrl"
-        prepend-icon="far fa-square-caret-left"
+        prepend-icon="fa fa-right-from-bracket"
         :flat="true"
         class="cancel-btn"
       >

components/Ui/Form/DeletionConfirmationDialog.vue

@@ -1,5 +1,8 @@
 <template>
-  <LazyLayoutDialog :show="modelValue">
+  <LazyLayoutDialog
+    :show="modelValue"
+    theme="danger"
+  >
 
     <template #dialogTitle>
       {{ $t('caution') }}