* Add Auto UV Scope option, can now apply auto uv on modified/linked/all mesh elements

Modified Only: Only apply Auto UV to modified part

Linked: Apply Auto UV to all linked elements

All: Apply Auto UV to entire mesh

* Add Supress Distance Fileds Generation option

Checking this option on will prevent mesh Distance Fields data been generated while editing mesh:

Checking this option off, any editing operation will trigger Distance Fields data re-generation:

* Now Draw Quad plane display corrrectly in Ortho viewports

* Ignore Backface Select and Ignore Occluded Select now works on edges/faces select too

With both Ignore Backfaces and Ignore Occluded and Backfaces off, all faces within marquee box will be selected

With Ignore Backfaces option on, all backfaces will be ignored

With Ignore Occluded and Backfaces option on, all occluded faces will also be ignored

Full 1.0.3 changelog:

• Add Auto UV Scope option, can now apply auto uv on modified/linked/all mesh elements
• Add Supress Distance Fileds Generation option
• Now Draw Quad plane display corrrectly in Ortho viewports
• Now Draw Quad will use Auto UV Scale Override when Auto UV option is on
• Ignore Backface Select and Ignore Occluded Select now works on edges/faces select too
• Vertex transform widget rotation align to face transform widget rotation when Orient Vertex LocalCoord To Edge option is off
• Fix bug Draw Quad not update correct mouse position for display
• Fix potential editor crash when changing viewport layout in Draw Quad mode
• Fix bug undo Extrude Faces and Bridge Edges did not update widget location
• Fix bug when undo Duplicate faces by Alt key no undo Auto UV correctly
• Start code refactoring for Blueprint based mesh editing api