Reapply "Bindless lightmaps/Lightmap Combo Removal (#1765)"
This reverts commit de7b93d17c7a036a567347794ca51163132ef42a.
Reapply BATCH_FLAGS_CONTROLLING_COMBO_CHANGES for legacy shaders, accidentally removed binding lightmap for legacy shaders
Initialize vertex output of lightmap uv when lightmapping is disabled
Update drivers with bindless lightmaps & amd fix