fix(front): alert and no duplicate libraries in library widget

front/src/components/federation/LibraryWidget.vue

@@ -11,6 +11,7 @@ import LibraryCard from '~/views/content/remote/Card.vue'
 import Button from '~/components/ui/Button.vue'
 import Section from '~/components/ui/Section.vue'
 import Loader from '~/components/ui/Loader.vue'
+import Alert from '~/components/ui/Alert.vue'
 
 import useErrorHandler from '~/composables/useErrorHandler'
 
@@ -43,7 +44,7 @@ const fetchData = async (url = props.url) => {
     })
 
     nextPage.value = response.data.next
-    libraries.push(...response.data.results)
+    libraries.splice(0, libraries.length, ...response.data.results)
     emit('loaded', libraries)
   } catch (error) {
     useErrorHandler(error as Error)
@@ -68,20 +69,12 @@ watch(() => props.url, () => {
     small-items
   >
     <Loader v-if="isLoading" style="grid-column: 1 / -1;" />
-    <p
-      v-if="!isLoading && libraries.length > 0"
-      style="grid-column: 1 / -1;"
-      class="ui subtitle"
-    >
-      <slot />
-    </p>
-    <p
+    <Alert blue
       v-if="!isLoading && libraries.length === 0"
       style="grid-column: 1 / -1;"
-      class="ui subtitle"
     >
       {{ t('components.federation.LibraryWidget.empty.noMatch') }}
-    </p>
+    </Alert>
     <library-card
       v-for="library in libraries"
       :key="library.uuid"