Show reduced ResuldCard when there are no results

sist2-vue/src/components/ResultsCard.vue

@@ -5,9 +5,11 @@
     <div style="float: right">
       <b-button v-b-toggle.collapse-1 variant="primary" class="not-mobile">{{ $t("details") }}</b-button>
 
+      <template v-if="hitCount !== 0">
         <SortSelect class="ml-2"></SortSelect>
 
         <DisplayModeToggle class="ml-2"></DisplayModeToggle>
+      </template>
     </div>
 
     <b-collapse id="collapse-1" class="pt-2" style="clear:both;">

sist2-vue/src/views/SearchPage.vue

@@ -43,9 +43,13 @@
       </b-row>
     </b-card>
 
-    <Preloader v-if="searchBusy && docs.length === 0" class="mt-3"></Preloader>
+    <template v-if="docs.length === 0 && !uiLoading">
+      <Preloader v-if="searchBusy" class="mt-3"></Preloader>
 
-    <div v-else-if="docs.length > 0">
+      <ResultsCard></ResultsCard>
+    </template>
+
+    <div v-else>
       <ResultsCard></ResultsCard>
 
       <DocCardWall v-if="optDisplay==='grid'" :docs="docs" :append="appendFunc"></DocCardWall>