fix(ui): put Point on the default sketch toolbar (#445)

crates/ui-egui/tests/scenarios/s49_sketch_point_toolbar.json

@@ -0,0 +1,27 @@
+[
+ {"note":"#191: Point is a default Sketch CREATE button; the existing six drawing buttons remain available."},
+ {"call":"engine.execute","params":{"command":"sketch.create","params":{"plane":"XY"}}},
+ {"expect":{"shown_handles":["button:sketch.line","button:sketch.rectangle.two_point","button:sketch.rectangle.three_point","button:sketch.rectangle.center","button:sketch.circle.center","button:sketch.circle.two_point","button:sketch.point"]}},
+ {"click":{"handle":"button:sketch.point"}},
+ {"expect":{"tool":"sketch.point","dialog":null}},
+ {"click":{"sketch":[20,15]}},
+ {"key":"Escape"},
+ {"expect":{"errors":0,"sketch_world":{"point":"p1","at":[20,15,0]}}},
+ {"call":"ui.menu","params":{"x":400,"y":80,"target":{"type":"toolbar_command","id":"sketch.point"}}},
+ {"call":"ui.menuPick","params":{"item":"Remove from Toolbar"}},
+ {"expect":{"hidden_handles":["button:sketch.point"]}},
+ {"restart":"close"},
+ {"call":"engine.execute","params":{"command":"sketch.create","params":{"plane":"XY"}}},
+ {"expect":{"hidden_handles":["button:sketch.point"]}},
+ {"click":{"handle":"panel:SKETCH:CREATE"}},
+ {"expect":{"shown_handles":["dropdown:sketch.point"]}},
+ {"click":{"handle":"dropdown:sketch.point"}},
+ {"key":"Escape"},
+ {"call":"ui.menu","params":{"x":400,"y":80,"target":{"type":"toolbar"}}},
+ {"call":"ui.menuPick","params":{"item":"Reset Toolbar"}},
+ {"expect":{"shown_handles":["button:sketch.point","button:sketch.line"],"errors":0}},
+ {"call":"ui.resize","params":{"width":640,"height":720}},
+ {"click":{"handle":"panel:SKETCH:CREATE"}},
+ {"click":{"handle":"dropdown:sketch.point"}},
+ {"expect":{"tool":"sketch.point","errors":0}}
+]