add message empty results

frontend/pages/analyses/[analysisId]/genes.vue

@@ -50,4 +50,9 @@ const sanitizedGenes = computed(() => {
 </script>
 <template>
   <AnalysisResultDataTable v-if="sanitizedGenes.length > 0" :items="sanitizedGenes" :headers="headers" />
+  <v-else>
+    <v-alert type="info" variant="tonal">
+      No gene found.
+    </v-alert>
+  </v-else>
 </template>

frontend/pages/analyses/[analysisId]/hmmer.vue

@@ -11,7 +11,7 @@ const { data: hmmers, error } = await useAPI<HmmersOut>(
 
 
 if (error.value) {
-  throw createError({ message: `Error while getting the list of hmmer for analysis ${route.params.analysisId}` })
+    throw createError({ message: `Error while getting the list of hmmer for analysis ${route.params.analysisId}` })
 }
 
 const headers = ref([
@@ -37,4 +37,7 @@ const sanitizedHmmer = computed(() => {
 </script>
 <template>
     <AnalysisResultDataTable v-if="sanitizedHmmer.length > 0" :items="sanitizedHmmer" :headers="headers" />
+    <v-alert type="info" variant="tonal">
+        No hmmer hit.
+    </v-alert>
 </template>

frontend/pages/analyses/[analysisId]/systems.vue

@@ -37,4 +37,7 @@ const sanitizedSystems = computed(() => {
 </script>
 <template>
   <AnalysisResultDataTable v-if="sanitizedSystems.length > 0" :items="sanitizedSystems" :headers="headers" />
+    <v-alert type="info" variant="tonal">
+        No system found.
+    </v-alert>
 </template>