Add block feature back to the forums

[DJAetius-1766]

Preach, brother/sister.

And if you haven’t voted yet, feel free to do so and voice your own displeasure with the lack of a proper block/mute feature that is soooooooorrily needed.

[QoL] Forum needs a MUTE function

The new forums are just over a month old, and during this time we have already seen multiple career trolls come in and spam their trash on a regular basis. They get banned for a day or week, and then they come back to pick up where they left off. OR - worse - they don’t get banned at all because the moderators are too busy watching Diablo Immortal gameplay on their phones instead of doing what they’re supposed to do, which is enforce the Code of Conduct, making us waste our precious flags in th…