Impact factor k1 now with the choice of buffer type in the guide rail dialog

In the guide rail dialog, is the choice of buffer type now implemented by the click in the field impact factor k1.
If buffers are selected in the actual order, the type will be taken from the buffer module.

If no buffer has been selected in the actual order, the buffer type can be free selected.
The max. impact factor k1 is determined by the safety gear type and buffer type.

According to table 14 from EN81-20, point 5.7.4.4