Fix an incoherence between the Eevee Materials menu and the Cycles Materials menu :
Eevee :
{F10230448}
Cycles :
{F10230449}
Simply Fixed by replacing the Cycles UI code by the Eevee UI code.
Thanks to @Brainzman for helping me create this diff and translate
Reviewed By: Blendify
Differential Revision: https://developer.blender.org/D11979