MDEV-17546 SPATIAL INDEX should not be allowed for FOREIGN KEY

dict_foreign_qualify_index(): Reject both FULLTEXT and SPATIAL
indexes. Remove these checks from the callers.

It is unclear whether this bug affected MariaDB Server.
FOREIGN KEY constraints on geometry column types could have
been rejected due to column type restrictions.

storage/innobase/dict/dict0dict.cc

@@ -3357,8 +3357,6 @@ dict_foreign_find_index(
 
 	while (index != NULL) {
 		if (types_idx != index
-		    && !(index->type & DICT_FTS)
-		    && !dict_index_is_spatial(index)
 		    && !index->to_be_dropped
 		    && !dict_index_is_online_ddl(index)
 		    && dict_foreign_qualify_index(
@@ -6881,6 +6879,10 @@ dict_foreign_qualify_index(
 		return(false);
 	}
 
+	if (index->type & (DICT_SPATIAL | DICT_FTS)) {
+		return false;
+	}
+
 	for (ulint i = 0; i < n_cols; i++) {
 		dict_field_t*	field;
 		const char*	col_name;

storage/innobase/handler/handler0alter.cc

@@ -1343,8 +1343,7 @@ innobase_find_fk_index(
 	index = dict_table_get_first_index(table);
 
 	while (index != NULL) {
-		if (!(index->type & DICT_FTS)
-		    && dict_foreign_qualify_index(
+		if (dict_foreign_qualify_index(
 			    table, col_names, columns, n_cols,
 			    index, NULL, true, 0,
 			    NULL, NULL, NULL)) {