### Godot version

4.0.beta14

### System information

windows 10, gles 3, nvidia graphics

### Issue description

SCREEN_TEXTURE  was dropped in beta 14. The suggested replacement is to use ```uniform sampler2D SCREEN_TEXTURE : hint_screen_texture, filter_linear_mipmaps;```, but filter_linear_mipmaps is not recognized as a valid shader type hint and a shader using it fails to compile.

### Steps to reproduce

Create a canvas item shader and use the filter_linear_mipmaps type hint with a sampler2D uniform.

### Minimal reproduction project

N/A
String result;
	switch (p_repeat) {
		case REPEAT_DISABLE: {
			result = "repeat_disable";
		} break;
		case REPEAT_ENABLE: {
			result = "repeat_enable";
		} break;
		default: {
		} break;
	}
	return result;
}
bool ShaderLanguage::is_token_nonvoid_datatype(TokenType p_type) {
	return is_token_datatype(p_type) && p_type != TK_TYPE_VOID;
}
void ShaderLanguage::clear() {
	current_function = StringName();
	last_name = StringName();
	last_type = IDENTIFIER_MAX;
	current_uniform_group_name = "";
	current_uniform_subgroup_name = "";
	current_uniform_hint = ShaderNode::Uniform::HINT_NONE;
	current_uniform_filter = FILTER_DEFAULT;
	current_uniform_repeat = REPEAT_DEFAULT;
	current_uniform_instance_index_defined = false;
	completion_type = COMPLETION_NONE;
	completion_block = nullptr;
	completion_function = StringName();