Merge pull request #13445 from ClickHouse/add-test-insert-values-hex-float

Added a test for hex floats in INSERT VALUES

tests/queries/0_stateless/01433_hex_float.reference

+0.123
+1

tests/queries/0_stateless/01433_hex_float.sql

+CREATE TEMPORARY TABLE t (x Float64);
+INSERT INTO t VALUES (0x1.f7ced916872b0p-4);
+SELECT * FROM t;
+SELECT x = 0x1.f7ced916872b0p-4 FROM t;