[SPIR-V] Function call discards 'readonly' access qualifier

Can someone tell me how to fix this?Thank you!

repo shader:
```
#version 320 es
precision mediump float;
precision highp int;

layout(binding = 0, std430) readonly buffer type_StructuredBuffer_v4float
{
highp vec4 _m0[];
} View_PrimitiveSceneData;

if (((floatBitsToUint(View_PrimitiveSceneData._m0[in_var_PRIMITIVE_ID * 41u].x) & 2u) != 0u) && (View.View_IndirectLightingCacheShowFlag > 0.0))
```
compiled with mali offline compiler v6.4.0.
It returns an error message: Function call discards 'readonly' access qualifier.

Start by reproducing the provided GLSL snippet with Mali offline compiler v6.4.0 and obtain the corresponding SPIR-V; the issue names no repository file or test. Trace how the readonly access qualifier is represented during function-call handling, then verify the behavior against a minimal regression case with an expected diagnostic or preserved qualifier.

Written by the indexing model from the issue text.