Extract the zip to the Payday: The Heist steam directory. This uses Harfatus' hook, so it is compatible with DorHUD in theory. (Barely tested.)

DEFAULT:
(C:\Program Files (x86)\Steam\Steamapps\Common\PAYDAY THE HEIST)
If you do not have a (x86) folder then just use Program Files.

Press F1 while in a multiplayer match to restart the job (Host only). When others are joining, you will not have to wait for them to join in, you can continue playing.

Included Scripts (v1):
No Drop-In Pause
Restart Job

Credits in license section.
More scripts are to be included in the future.