sql: fix wrong field name on generated code (#17684)

vlib/orm/orm_insert_reserved_name_test.v

@@ -0,0 +1,33 @@
+import db.sqlite
+
+[table: 'bad_table']
+struct Bad {
+	id   int    [primary; sql: serial]
+	link string
+}
+
+fn test_insert_with_reserved_name() {
+	db := sqlite.connect(':memory:') or { panic(err) }
+
+	bad := Bad{
+		link: 'test'
+	}
+	sql db {
+		create table Bad
+	}
+	sql db {
+		insert bad into Bad
+	}
+
+	sql db {
+		insert bad into Bad
+		insert bad into Bad
+		insert bad into Bad
+	}
+
+	rows := sql db {
+		select from Bad
+	}
+
+	assert rows.len == 4
+}