refactor(status-account-field): make it not a required field, but do throw error if it's null

This is for debugging purposes on newer glitch-soc versions. This should be reverted before a release.

mastodon/src/main/java/org/joinmastodon/android/model/Status.java

@@ -47,7 +47,7 @@ public class Status extends BaseModel implements DisplayItemsParent, Searchable{
 	public String uri;
 //	@RequiredField // sometimes null on calckey
 	public Instant createdAt;
-	@RequiredField
+//	@RequiredField // sometimes null? Gonna make sure to check everytime. TODO: make account field required again
 	public Account account;
 //	@RequiredField
 	public String content;

mastodon/src/main/java/org/joinmastodon/android/ui/displayitems/StatusDisplayItem.java

@@ -181,6 +181,11 @@ public abstract class StatusDisplayItem{
 		Bundle args=new Bundle();
 		args.putString("account", accountID);
 		try{
+			// Check if account is null. This should never happen, but it seems to do in latest versions of glitch-soc
+			if (status.account == null || (status.reblog != null && status.reblog.account == null) || (status.quote != null) && status.quote.account == null) {
+				throw new Exception("status " + status.url + " has null account field");
+			}
+
 			ScheduledStatus scheduledStatus=parentObject instanceof ScheduledStatus s ? s : null;
 
 			HeaderStatusDisplayItem header=null;