Fix crash from treating mms groups like Signal groups after sms is disabled.

Fixes #12534

app/src/main/java/org/thoughtcrime/securesms/conversation/ConversationParentFragment.java

@@ -2726,7 +2726,7 @@ public class ConversationParentFragment extends Fragment
       inputPanel.setHideForBlockedState(true);
       smsExportStub.setVisibility(View.GONE);
       registerButton.setVisibility(View.VISIBLE);
-    } else if (!conversationSecurityInfo.isPushAvailable() && !(SignalStore.misc().getSmsExportPhase().isSmsSupported() && conversationSecurityInfo.isDefaultSmsApplication()) && recipient.hasSmsAddress()) {
+    } else if (!conversationSecurityInfo.isPushAvailable() && !(SignalStore.misc().getSmsExportPhase().isSmsSupported() && conversationSecurityInfo.isDefaultSmsApplication()) && (recipient.hasSmsAddress() || recipient.isMmsGroup())) {
       unblockButton.setVisibility(View.GONE);
       inputPanel.setHideForBlockedState(true);
       smsExportStub.setVisibility(View.VISIBLE);

app/src/main/java/org/thoughtcrime/securesms/jobs/RemoteDeleteSendJob.java

@@ -158,6 +158,11 @@ public class RemoteDeleteSendJob extends BaseJob {
       throw new IllegalStateException("Cannot delete a message that isn't yours!");
     }
 
+    if (!conversationRecipient.isRegistered() || conversationRecipient.isMmsGroup()) {
+      Log.w(TAG, "Unable to remote delete non-push messages");
+      return;
+    }
+
     List<Recipient>   possible = Stream.of(recipients).map(Recipient::resolved).toList();
     List<Recipient>   eligible = RecipientUtil.getEligibleForSending(Stream.of(recipients).map(Recipient::resolved).toList());
     List<RecipientId> skipped  = Stream.of(SetUtil.difference(possible, eligible)).map(Recipient::getId).toList();

app/src/main/java/org/thoughtcrime/securesms/mms/IncomingLollipopMmsConnection.java

@@ -130,7 +130,7 @@ public class IncomingLollipopMmsConnection extends LollipopMmsConnection impleme
 
       try {
         retrieved = (RetrieveConf) new PduParser(baos.toByteArray(), parseContentDisposition).parse();
-      } catch (NullPointerException e) {
+      } catch (AssertionError | NullPointerException e) {
         Log.w(TAG, "Badly formatted MMS message caused the parser to fail.", e);
         throw new MmsException(e);
       }