[fix](ip) fix ip nullable param without check (#44700)

[amorynan]

if we use ipv6_cidr_to_range function with nullable func which with invalid ipv6 will make be core

mysql> select id, ipv6_cidr_to_range(nullable(''), 32) from fn_test_ip_nullable order by id;

What problem does this PR solve?

Issue Number: close #xxx

Related PR: #xxx

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[Thearas]

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[amorynan]

run buildall

[amorynan]

run buildall

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