Powerstroke LPE only applies to first subpath (so splitting path will hide half the path)
#### Summary:
Splitting a path with "Power stroke" at a node deletes all nodes to the right of the split node.
#### Steps to Replicate:
Here ya go!

#### Additional Information:
- It would seem that this has got to be a duplicate issue, but alas I find nothing exact.
- Related:
- https://gitlab.com/inkscape/inbox/-/issues/3549
- discovered *this* LPE bug while researching 3549!
- https://gitlab.com/inkscape/inkscape/-/issues/1689
- https://gitlab.com/inkscape/inkscape/-/issues/577
#### Inkscape Version and Operating System:
* Inkscape Version: 1.1-dev (7802ed9, 2020-09-04), 1.1.0-dev (48d18c81, 2020-07-08), 1.0(1.0+r73+1)
* Operating System: macOS 10.13.6 (17G12034), Ubuntu 18.04.4 LTS
issue