Display betrayal count (Continue #744) (#849)

## Description:
. #744 became a mess. Rewrote it


![Screenshot](https://github.com/user-attachments/assets/0e43547f-514a-4e93-9bbc-d022d8dfb75c)

## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced
- [x] I understand that submitting code with bugs that could have been
caught through manual testing blocks releases and new features for all
contributors

## Please put your Discord username so you can be contacted if a bug or
regression is found:
dovg

resources/lang/en.json

@@ -402,6 +402,7 @@
   "player_panel": {
     "gold": "Gold",
     "troops": "Troops",
+    "betrayals": "Number of betrayals",
     "traitor": "Traitor",
     "alliance_time_remaining": "Time Remaining",
     "embargo": "Stopped trading with you",