fix: unified alert dialog style (#65)

see https://gitea.angry.im/PeterCxy/OpenEUICC/search/branch/master?q=.app.AlertDialog

Reviewed-on: https://gitea.angry.im/PeterCxy/OpenEUICC/pulls/65
Co-authored-by: septs <github@septs.pw>
Co-committed-by: septs <github@septs.pw>

app-common/src/main/java/im/angry/openeuicc/ui/ProfileDownloadFragment.kt

@@ -1,7 +1,6 @@
 package im.angry.openeuicc.ui
 
 import android.annotation.SuppressLint
-import android.app.AlertDialog
 import android.app.Dialog
 import android.content.DialogInterface
 import android.graphics.BitmapFactory
@@ -13,6 +12,7 @@ import android.widget.ProgressBar
 import android.widget.TextView
 import android.widget.Toast
 import androidx.activity.result.contract.ActivityResultContracts
+import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.widget.Toolbar
 import androidx.lifecycle.lifecycleScope
 import com.google.android.material.textfield.TextInputLayout