CADSTAR Fixes + Separate libedit crash fix
A number of fixes to the CADSTAR schematic importer:
- Handle scaled symbols (Fixes #8494 (closed))
- Add needed junctions on load.
- Fix assert regarding sheet absolute path
- Fix positioning of symbol attributes
- Cleanup pins in symbols
Also a separate commit to fix a crash in libedit.
Click to view before/after screenshots of the CADSTAR import
Comparison showing the improved import fidelity of https://gitlab.com/kicad/code/kicad/uploads/9def2a7cfbfa844d261795e85a191578/clkman.csaBefore this MR (i.e. master branch):
This MR (significant visual improvements):