### 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
#ifdef DEBUG_ENABLED
						if (keyword_completion_context & CF_CONST_KEYWORD) {
							keyword_completion_context ^= CF_CONST_KEYWORD;
						}
						if (keyword_completion_context & CF_FUNC_DECL_PARAM_SPEC) {
							keyword_completion_context ^= CF_FUNC_DECL_PARAM_SPEC;
						}
						if (_lookup_next(next)) {
							if (is_token_precision(next.type)) {
								keyword_completion_context = CF_FUNC_DECL_PARAM_TYPE;
							} else if (is_token_datatype(next.type)) {
								keyword_completion_context = CF_PRECISION_MODIFIER;
							}
						}
#endif 
						if (error) {
							return ERR_PARSE_ERROR;
						}
					}
					DataType param_type;
					StringName param_name;
					StringName param_struct_name;
					DataPrecision param_precision = PRECISION_DEFAULT;
					int arg_array_size = 0;
					if (is_token_precision(tk.type)) {
						param_precision = get_token_precision(tk.type);
						tk = _get_token();
#ifdef DEBUG_ENABLED
						if (keyword_completion_context & CF_CONST_KEYWORD) {
							keyword_completion_context ^= CF_CONST_KEYWORD;