- Add PICK_POINT_OR_EDGE constant to DrawSketchHandlerDimension class
- Implement nuanced hints for Dimension tool based on selected geometry:
- Empty selection: 'pick point or edge'
- Single point/line/circle: 'pick second point or edge'
- Multiple selections: 'pick second point or edge'
- Remove stray character causing build error
- Addresses feedback on issue #22282 for comprehensive Sketcher hints coverage