fill-height is now a class, dense is a density and fix all v-selects

src/components/SelectLanguageDialog.vue

@@ -15,11 +15,11 @@
       </v-card-title>
       <v-card-text>
         <v-select
-          :model-value="$i18n.locale"
+          :modelValue="$i18n.locale"
           :items="languages"
           :menu-props="{ auto: true }"
           :label="$t('profile.select_language')"
-          @update:model-value="(lang) => updateLanguage(lang)"
+          @update:modelValue="updateLanguage"
           hide-details
           prepend-icon="language"
           single-line