Further drawing template interaction improvements

[Baaaaaz]

Identify the Bug or Feature request

closes #6012

Description of the Change

• DrawingPointerTool ->
  • improved dragging coverage of different shape types, or notification where not covered
  • change of duplicate action hotkey to Ctrl+D
  • fix missing selection box when an unselected drawing/template is right clicked
  • alter template dragging label positions (size now to the right, and distance dragged now by the dragged vertex)
• LineSegment -> change to use new method which invalidates area and bounds cache given shape geometry can change if number of points change as well as their co-ordinates do (e.g. through translation).

Possible Drawbacks

none anticipated

Documentation Notes

Release Notes

Further drawing template interaction improvements

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This change is