Buildings and levels for the floor map, and make every identifier searchable

plugins/knowledgebase/frontend/views/KnowledgeBaseForm.vue

@@ -106,7 +106,9 @@ const applications = ref([])
 onMounted(async () => {
   try {
     // Load applications for topic dropdown
-    const appsRes = await applicationsApi.list({ perpage: 1000 })
+    const appsRes = await applicationsApi.list({ perpage: 1000, showhidden: true })  // isactive is the only filter that applies to a topic:
+    // ishidden governs whether an application shows on the tiles page, which
+    // says nothing about whether it can be the subject of an article.
     applications.value = appsRes.data.data || []
 
     // Load article if editing