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

---------

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

crates/engine/src/tests/primitive_points.rs

@@ -9,7 +9,7 @@ use crate::*;
 
 fn bbox(s: &Session, body: &str) -> ([f64; 3], [f64; 3]) {
     let b = s.model.state().body(body).map(|b| b.body.clone()).unwrap();
-    let m = solvecraft_kernel::measure(&b).unwrap();
+    let m = solidcraft_kernel::measure(&b).unwrap();
     ([m.bbox.min.x, m.bbox.min.y, m.bbox.min.z], [m.bbox.max.x, m.bbox.max.y, m.bbox.max.z])
 }
 
@@ -31,7 +31,7 @@ fn cylinder_base_expressions_follow_parameters() {
     // And it survives a save and reopen.
     let text = s.doc.to_json();
     assert!(text.contains("basin_width/2"), "{text}");
-    let s2 = Session::new(solvecraft_doc::Document::from_json(&text).unwrap());
+    let s2 = Session::new(solidcraft_doc::Document::from_json(&text).unwrap());
     let (lo, _) = bbox(&s2, "Pin");
     assert!(near(lo, [25.0, 5.0, -2.0]), "{lo:?}");
 }