Improve Look publish validation reports

[BigRoy]

Description

Improve look validation reports.

Changes

Better Look Data Contents validation report

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After:

Better Look Sets validation report

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Fix header title odd smaller cbId text.

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After:

Testing notes:

1. Break cbId attributes on loaded models
2. Run look publish
3. Validation reports should be nice.

[LiborBatek]

Did different tests with missing cbIDs and initialShadingGroup and All seems fine and working well.

Looks good to me...