Gizmo+inspector world/local coordinates switch

[CedricGuillemet]

related to #13939
Add the ability to change coordinate system world/local for gizmos.
Also add that switch to the inspector
@PatrickRyanMS Let me know if you have a more suitable icon that this one:

[bjsplat]

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[bjsplat]

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[PatrickRyanMS]

@CedricGuillemet, can it be two icons based on which mode you are in? For example:

World

Local

world_local_coordinatesIcons.zip

[sebavan]

only a couple nits

[CedricGuillemet]

@CedricGuillemet, can it be two icons based on which mode you are in? For example:

World

Local

world_local_coordinatesIcons.zip

Other icons (translate, picking,..) have a color intensity variation only. so icon must be same for world/local and coming from fontawesome.

[PatrickRyanMS]

Other icons (translate, picking,..) have a color intensity variation only. so icon must be same for world/local and coming from fontawesome.

Color variation isn't the most accessible option and having color be more than just active/inactive and cover state of the tool is more difficult to internalize so the tooltip will need to do the heavy lifting here. We have been talking about a whole inspector UI redesign so we may need to make due with a fontawesome solution for now and tag a modal for the redesign.