Rename SolveCraft to SolidCraft everywhere, with compatibility shims (#389)

* WIP deep rename (not for push)

* WIP2

* WIP3

* WIP4 wxs fix

* rustfmt

* Rename the remaining identifiers in merged crash-report code

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01RjGw4gA5ZvKrU8MQP6sBgT

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Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>

crates/kernel/src/surface_kind.rs

@@ -1,7 +1,7 @@
 //! What surface a face lies on (plane, cylinder, cone, sphere, torus), for construction
 //! geometry: axes through round faces, centres of spheres and tori.
 
-use solvecraft_geom::Vec3;
+use solidcraft_geom::Vec3;
 
 use crate::Body;
 use crate::offset::{Surf, surf_of};