[WebGPU] MSL compilation error opening ening https://kishimisu.github.io/WebGPU-Fluid-Simulation/

MSL compilation error: Error Domain=MTLLibraryErrorDomain Code=3 "program_source:78:16: error: cannot initialize return object of type 'vec<float, [...]>' with an rvalue of type 'vec<int, [...]>'
        return vec<int, 3>(0, 0, 0);
               ^~~~~~~~~~~~~~~~~~~~

Generated metal is here:

vec<float, 3> function2(vec<float, 3> parameter2, const device array<float, 1>& global1, const device array<float, 1>& global2, const device array<float, 1>& global0, const constant type0& global3)
{
...
        return vec<int, 3>(0, 0, 0);