Fix crash 1364

CHANGES.md

@@ -12,6 +12,7 @@ Improvements 🙌:
 Bugfix 🐛:
  - Fix | Verify Manually by Text crashes if private SSK not known (#1337)
  - Sometimes the same device appears twice in the list of devices of a user (#1329)
+ - Random Crashes while doing sth with cross signing keys (#1364)
 
 Translations 🗣:
  -

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/crypto/store/db/RealmCryptoStore.kt

@@ -1406,7 +1406,7 @@ internal class RealmCryptoStore @Inject constructor(
         } else {
             // Just override existing, caller should check and untrust id needed
             val existing = CrossSigningInfoEntity.getOrCreate(realm, userId)
-            existing.crossSigningKeys.forEach { it.deleteFromRealm() }
+            existing.crossSigningKeys.deleteAllFromRealm()
             existing.crossSigningKeys.addAll(
                     info.crossSigningKeys.map {
                         crossSigningKeysMapper.map(it)