Stepcraft cablechain modification

I had a Z-stepper wire broken at the connection part down on the left-Y bracket.
So I decided to rewire the whole thing and to install a cablechain.

I reused a cablechain I had (similar to [this one](https://www.banggood.com/10-x-15mm-Plastic-Cable-Drag-Chain-Wire-Carrier-Length-1000mm-With-End-Connectors-For-CNC-p-995512.html?rmmds=search&cur_warehouse=CN))
The cablechain runs on a Alu 20x20 L-profile supported by 2 printed supports ('front support' and 'back support' items). These support