shader: decode the combined conditional-debug branch

Co-authored-by: Mac <me@itsmemac.com>
Co-authored-by: Senaxx <michelbeld@gmail.com>
Co-authored-by: BlackCAT <52720489+psnwd@users.noreply.github.com>

src/graphics/shader/recompiler/frontend/decode/ShaderDecoder.h

@@ -608,6 +608,7 @@ enum class Opcode {
 	S_CBRANCH_EXECZ,
 	S_CBRANCH_EXECNZ,
 	S_CBRANCH_CDBGSYS,
+	S_CBRANCH_CDBGSYS_OR_USER,
 	S_SENDMSG,
 	S_SETREG_B32,
 	S_SLEEP,