Default [Q] Picture Text Data Problem

I'm currently running CM 10.1.3 (Android 4.2.2), and I have my data turned off 100% of the time (I have a very limited data plan). I discovered that this version of CM (but NOT future versions) automatically turns on my data when I'm sending/receiving picture texts or group texts, and then turns off once the image is sent/received, or the group text is sent/received.

I can't afford to have data turned on all the time because my phone uses too much background data and I would use up my data by the end of the month.

Is there anyone who is familiar with this feature, and does anyone know how I can implement this feature in future CM versions or other ROMs?

Please help, this is the only thing keeping me from upgrading CM to the latest and greatest.

Thanks so much