Improve flexible filament feed davinci pro 1.0

In the case of flexible filaments, there is the danger that it bends in the gap between the drive pinion and the filament hose, and the filament is no longer conveyed, but is jammed in the printer.

The adapter shortens the free space so that this effect is prevented. The xy position is not yet 100% correct, but the adapter works fine.

In addition, the standard bend of the hose should be removed just before the print head by straight-line positioning. I removed the cable ties and fixed the