[TASK] Introduce icon state for IconFactory

Resolves: #69095
Releases: master
Change-Id: I4a1077a9267ed293f049f6457aef5d8012aa28d4
Reviewed-on: http://review.typo3.org/42482


Reviewed-by: Markus Klein <markus.klein@typo3.org>
Tested-by: Markus Klein <markus.klein@typo3.org>
Reviewed-by: Daniel Goerz <ervaude@gmail.com>
Tested-by: Daniel Goerz <ervaude@gmail.com>
Reviewed-by: Andreas Fernandez <typo3@scripting-base.de>
Tested-by: Andreas Fernandez <typo3@scripting-base.de>