* [TD]Cosmetic geometry and tools update
- all cosmetics to store geometry in same form
- all cosmetics to survive scaling and rotation
- extension functions to survive scaling and rotation
* [TD]overhaul leader point storage and editing
- add py routine makeLeader(points)
* [TD]add leader conversion utility
* [TD]Set Leader RotateWithView default to true
* [TD]fix intersection vertex position
* [TD]add CosmeticEdge::makeLineFromCanonicalPoints
* [TD]fix 2 Extension tools
- positioning in DrawCosmeticCircle
- mishandling of points in execLineParallelPerpendicular
* [TD]Remove duplicate constexpr
* [TD]fix 2x Cosmetic arc tools
* [TD]refactor LineFormat out of Cosmetic
* [TD]move cosmetic appearance settings to LineFormat
* [TD]remove 2 unused methods
* [TD]apply format to blue line & circle tools
* [TD]fix ballon arrowhead does not rotate with view
* [TD]fix CosmeticCircle3Points
* [TD]allow multiple cosmetic object deletions
* [TD]fix extend/shorten centerline
- section line convention label
- remove superfluous save/restore on changeEvent
- change default scrub count
- add preference for default symbol dir
- add preference for display of section cut line
* Update Draft WB icons
* Also make all icons 64px based
* keep inner white outline and small tweaks
* Tweaks following review
* Further tweaks following feedback
* Tweak more icons for consistency with light/dark themes
* Update following PR 13865, save as Plain SVG and remove unused ressources
Update texts for visibility
Some more cleanup
Use consistent FreeSans font
It is aimed to provide integrity by including the shape used in other workbenches in technical drawing icons. For the hidden line, color variation was used instead of dashed. The reason for this is to comply with the art guide. I think the dashed line looks better.