Merge branch 'scygan_spirv_assembly-wrong_type_of_struct_member_pr620' into 'master'

Fix dEQP-VK.spirv_assembly.instruction.graphics.opconstantcomposite.struct* - wrong type of struct member

The %fp_v4f32 structure has two members: [0] of vec4 type, and [1] of float  type. However OpAccessChain for [1] member, which is a float, so as subsequent OpLoad use vec4 as type.

See merge request !304