fix: get_user_mission

deadlock-plugins/deadlock-extension/src/core/api.service.ts

deadlock-plugins/deadlock-extension/src/core/controller.ts

deadlock-plugins/deadlock-extension/src/core/gitMission.ts

...eadlock-extension/src/core/mission/missionDevContainer.ts

.../deadlock-extension/src/core/mission/model/userMission.ts

deadlock-plugins/deadlock-extension/src/core/userConfig.ts

...lugins/deadlock-extension/src/core/utils/mission.utils.ts

deadlock-plugins/deadlock-extension/src/extension.ts

deadlock-plugins/deadlock-extension/src/recorder/recorder.ts

deadlock-plugins/deadlock-extension/src/view/briefingView.ts

...lugins/deadlock-extension/src/view/startedMissionsView.ts