Move icon out of search input to be in line with other menu icons

aleksis/core/assets/components/SidenavSearch.vue

@@ -38,9 +38,9 @@ export default {
 
       <form method="get" ref="form" :action="action" id="search-form">
         <v-autocomplete
-            :prepend-inner-icon="'mdi-magnify'"
+            :prepend-icon="'mdi-magnify'"
             append-icon=""
-            @click:prepend-inner="submit"
+            @click:prepend="submit"
             single-line
             clearable
             :loading="!!isLoading"