Catch parse OOM

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

@@ -2369,6 +2369,7 @@ public class MessageHelper {
         try {
             ensureStructure();
 
+            try {
                 MimePart part = imessage;
 
                 if (part.isMimeType("multipart/mixed")) {
@@ -2486,8 +2487,13 @@ public class MessageHelper {
                         Log.e(ct.toString());
                     }
                 }
-        } catch (ParseException | OutOfMemoryError ex) {
+            } catch (ParseException ex) {
                 Log.w(ex);
+            }
+
+            getMessageParts(imessage, parts, null);
+        } catch (OutOfMemoryError ex) {
+            Log.e(ex);
             parts.warnings.add(Log.formatThrowable(ex, false));
             /*
                 java.lang.OutOfMemoryError: Failed to allocate a xxx byte allocation with yyy free bytes and zzMB until OOM
@@ -2503,7 +2509,6 @@ public class MessageHelper {
              */
         }
 
-        getMessageParts(imessage, parts, null);
         return parts;
     }