### Godot version

v4.1.dev.custom_build.a7276f1ce

### System information

Win10, AMD 2600, GeForce GTX 1060, Vulkan API 1.3.205

### Issue description

I can't get correct color data from an array of source_color type.
The color data is saved as **Color** in the file:
`shader_parameter/palette = [Color (1, 0, 0, 1), Color (0, 1, 0, 1), Color (0, 0, 1, 1)]`
Shouldn't it be saved as PackedColorArray?


### Steps to reproduce

1.Declare an array of source_color type.
2.Set colors.

### Minimal reproduction project

[shadertest.zip](https://github.com/godotengine/godot/files/11246504/shadertest.zip)

Vector<int> iv = value;
				int s = iv.size();
				int count = 4 * p_array_size;
				const int *r = iv.ptr();
				for (int i = 0; i < count; i += 4) {
					if (i < s) {
						gui[i] = r[i];
						gui[i + 1] = r[i + 1];
						gui[i + 2] = r[i + 2];
						gui[i + 3] = r[i + 3];
					} else {
						gui[i] = 0;
						gui[i + 1] = 0;
						gui[i + 2] = 0;
						gui[i + 3] = 0;
					}
				}
			} else {
				Vector4i v = value;
				gui[0] = v.x;
				gui[1] = v.y;
				gui[2] = v.z;
				gui[3] = v.w;
			}
		} break;
		case ShaderLanguage::TYPE_UINT: {
			uint32_t *gui = (uint32_t *)data;
			if (p_array_size > 0) {
				Vector<int> iv = value;
				int s = iv.size();