Share live editor content for unsaved notes

Sharing used the persisted note content, so a newly typed note could
produce an empty share intent until a later save refreshed Room.

Fixes #3300

Signed-off-by: xhon-pelushi <xhon@pelushi.com>

Author: xhon-pelushi

app/src/main/java/it/niedermann/owncloud/notes/edit/BaseNoteFragment.java

@@ -352,7 +352,9 @@ protected void shareNote() {
             return;
         }
 
-        ShareUtil.openShareDialog(requireContext(), note.getTitle(), note.getContent());
+        // Prefer the live editor buffer so a newly typed, not-yet-persisted note
+        // is not shared with an empty/stale Room content field (#3300).
+        ShareUtil.openShareDialog(requireContext(), note.getTitle(), getContent());
     }
 
     @CallSuper