Fix a crash in the Node tool
This MR fixes a segfault which can occur when the user interacts with the node handles of an inverse mask path using the Node tool, as reported in issue #3286 (closed).
Fixes #3286 (closed)
This MR fixes a segfault which can occur when the user interacts with the node handles of an inverse mask path using the Node tool, as reported in issue #3286 (closed).
Fixes #3286 (closed)