Open all files with utf-8 encoding

- will not be used for binary read/writes (rb,wb)!
- prevents a bug where units with special characters in the unit name can not be tracked anymore as there will be a name mismatch due to wrong encoding

qt_ui/windows/QWaitingForMissionResultWindow.py

@@ -228,7 +228,7 @@ class QWaitingForMissionResultWindow(QDialog):
         )
         print(file)
         try:
-            with open(file[0], "r") as json_file:
+            with open(file[0], "r", encoding="utf-8") as json_file:
                 json_data = json.load(json_file)
                 json_data["mission_ended"] = True
                 debriefing = Debriefing(json_data, self.game, self.unit_map)

qt_ui/windows/newgame/QCampaignList.py

@@ -43,7 +43,7 @@ class Campaign:
 
     @classmethod
     def from_file(cls, path: Path) -> Campaign:
-        with path.open() as campaign_file:
+        with path.open(encoding="utf-8") as campaign_file:
             if path.suffix == ".yaml":
                 data = yaml.safe_load(campaign_file)
             else: