fix: crash (priv) (#177)

resolves #178

```
1741836445.585 10331 13748 13748 E AndroidRuntime: FATAL EXCEPTION: main
1741836445.585 10331 13748 13748 E AndroidRuntime: Process: im.angry.openeuicc, PID: 13748
1741836445.585 10331 13748 13748 E AndroidRuntime: java.lang.RuntimeException: PrivilegedEuiccContextMarker shall only be used on Fragments or UI types that derive from Context
1741836445.585 10331 13748 13748 E AndroidRuntime: 	at im.angry.openeuicc.util.PrivilegedEuiccContextMarker$DefaultImpls.getPrivilegedEuiccMarkerContext(PrivilegedUtils.kt:18)
```

Reviewed-on: https://gitea.angry.im/PeterCxy/OpenEUICC/pulls/177


Co-authored-by: septs <github@septs.pw>
Co-committed-by: septs <github@septs.pw>