Give the Move dialog the canvas value box every other dialog already has (#739)

The Move dialog gets the same canvas value box as the other dialogs: X for translating moves, the angle for Rotate, placed clear of the triad.

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

@@ -0,0 +1,17 @@
+[
+  {"note": "The Move window's value box on the canvas. Picking a body gives it the keyboard, so a typed number sets the move without hunting for a field first. Which value the box reads follows the move type, covered by dialogs_move_tests."},
+  {"call": "engine.execute", "params": {"command": "solid.box", "params": {"length": 20, "width": 20, "height": 20}}},
+  {"call": "ui.view", "params": {"view": "iso"}},
+
+  {"note": "Free Move: pick the body, type 30, press Enter. Nothing is clicked in the window at all."},
+  {"start": "solid.move"},
+  {"click": {"world": [10, 10, 20]}},
+  {"expect": {"dialog": "Move", "bodies": 1}},
+  {"text": "30"},
+  {"expect": {"dialog": "x: \"30\""}},
+  {"key": "Enter"},
+  {"expect": {"dialog": null, "errors": 0, "bodies": 1}},
+  {"expect": {"bbox": {"body": "Body1", "min": [30, 0, 0], "max": [50, 20, 20]}}},
+
+  {"shot": "move_canvas_value"}
+]