fix: using simple string match replace regex match for contains udf

[zhuliquan]

Which issue does this PR close?

Closes #12930.

Rationale for this change

What changes are included in this PR?

Are these changes tested?

Are there any user-facing changes?

[Omega359]

ci failure looks unrelated to changes.

[zhuliquan]

ci failure looks unrelated to changes.
yeah, I add test case for retring ci.😂

[Omega359]

LGTM

[alamb]

Thanks @zhuliquan for the contribution and @Omega359 and @findepi for the review

I also double checked that this is covered by @goldmedal 's very nice string_query.slt:

datafusion/datafusion/sqllogictest/test_files/string/string_query.slt.part

Lines 421 to 434 in 4534a28

	query BBBBBB
	SELECT
	CONTAINS(ascii_1, 'foo') as c1,
	CONTAINS(ascii_1, ascii_2) as c2,
	CONTAINS(ascii_1, NULL) as c3,
	CONTAINS(unicode_1, unicode_2) as c4,
	CONTAINS(unicode_1, NULL) as c5,
	CONTAINS(unicode_1, '🔥') as c6
	FROM test_basic_operator;
	----
	false false NULL true NULL true
	false true NULL true NULL false
	false true NULL true NULL false
	NULL NULL NULL NULL NULL NULL

[alamb]

🚀