Reduced delete keep time to 1 hour

app/src/main/java/eu/faircode/email/Core.java

@@ -3615,8 +3615,9 @@ class Core {
             Log.i(folder.name + " sync=" + new Date(sync_time) + " keep=" + new Date(keep_time));
 
             // Delete old local messages
+            long delete_time = new Date().getTime() - 3600 * 1000L;
             if (auto_delete) {
-                List<Long> tbds = db.message().getMessagesBefore(folder.id, sync_time, keep_time, delete_unseen);
+                List<Long> tbds = db.message().getMessagesBefore(folder.id, delete_time, keep_time, delete_unseen);
                 Log.i(folder.name + " local tbd=" + tbds.size());
                 EntityFolder trash = db.folder().getFolderByType(folder.account, EntityFolder.TRASH);
                 for (Long tbd : tbds) {
@@ -3629,7 +3630,7 @@ class Core {
                             EntityOperation.queue(context, message, EntityOperation.MOVE, trash.id);
                 }
             } else {
-                int old = db.message().deleteMessagesBefore(folder.id, sync_time, keep_time, delete_unseen);
+                int old = db.message().deleteMessagesBefore(folder.id, delete_time, keep_time, delete_unseen);
                 Log.i(folder.name + " local old=" + old);
             }