Fixed bug in Tetris

[unDeadHerbs]

Game re-places the last piece after it is placed and a new one is generated. This only happens sometimes, I think because it depends on how the location was reached and isn't visible if lines weren't removed.

What's new

The changes are:

• Combining wasDownMove and tetris_game_piece_at_bottom
  • Most of the diff is from this re-indenting
• Adding an else to prevent rendering old piece
• removing double render if placemenet was final

Checklist (For Reviewer)

• PR has description of feature/bug
• Description contains actions to verify feature/bugfix
• I've built this code, uploaded it to the device and verified feature/bugfix

[xMasterX]

Hi, actually when you removed tetris_game_remove_curr_piece on line 299
it made game not work at all, it just starts on gameover screen and you can't restart it, it will go straight into game over screen

Adding tetris_game_remove_curr_piece back makes game work but pieces will not stay on bottom, they are removed instantly, so this is not a solution

Please fix described issues and test your changes, for now ill convert this PR to draft