If still given same feel, try this method.
Go get some sticky pad or double sided tape. Im using 3M 55236 HiTemp double sided tape. Stick at the back of your brake pad. Make sure you clean both the back of the brake pad and the piston before you reinstall back with the double sided tape.
Do...
Me Too, this thread actually help me a lot. And also the brake bleed procedure thanks to @GTIfan99
Althought mine was not install at Golf. Here mine on Tiguan MK2.