some fiddling with the db overview svg canvas

src/components/DBOverview.vue

@@ -26,7 +26,7 @@ async function getMermaid(selection) {
   const r = selection == null ? await api.makeERD(params) : await api.makeERD(params, { selection})
   if (r?.data) {
     mermaidText.value = r.data.mermaid
-    //new Promise(() => setTimeout(unlockSVG, 500)) // never do this again
+    new Promise(() => setTimeout(unlockSVG, 500)) // never do this again
   }
   loading.value = false
 }