rework cache android resume based off message count totals, force pre fetch on load message list, tweak new messages bubble behaviour

@@ -43,7 +43,6 @@ class ContactInfoState extends ChangeNotifier {
   late DateTime _lastMessageTime;
   late Map<String, GlobalKey<MessageRowState>> keys;
   int _newMarkerMsgId = -1;
-  DateTime _newMarkerClearAt = DateTime.now();

@@ -116,0 +101,4 @@
+  // On android reconnect, if backend supplied message count > UI message count, add the differnce to the front of the index
+  void addFrontIndexGap(int count) {
+    this._indexUnsynced = count;
+    // TODO: needed? maybe not? since after totalmessatges and profile will notify