559 delegation create event in another user calendar (#561)

* [#559] added delegated calendars in user selector
* [#559] selector for calendar display delegated and personal separatly

Co-authored-by: Camille Moussu <cmoussu@linagora.com>

src/utils/makeDisplayName.tsx

@@ -0,0 +1,14 @@
+import { Calendar } from "../features/Calendars/CalendarTypes";
+
+export function makeDisplayName(
+  selectedCalendar: Calendar
+): string | undefined {
+  if (
+    !selectedCalendar ||
+    (!selectedCalendar.owner?.lastname && !selectedCalendar.owner?.firstname)
+  )
+    return;
+  return [selectedCalendar.owner?.firstname, selectedCalendar.owner?.lastname]
+    .filter(Boolean)
+    .join(" ");
+}