Updated Pipeline so that changes to this value will trigger a SaveEnabled. This is needed in order to properly change the TextureFormatValue of a Sprite Font Description item.
Reusing the already existing Property Value Changed handler.
Removing extra checks, If the value was the same, the event would not be firing here anyway.
Removing unused variables.
Merge pull request #2910 from GhostTap/PipelineUpdateToTriggerSaveEnableOnValueChange

Updated Pipeline so that changes to this value will trigger a SaveEnable...