Fix event_date in system.asynchronous_metric_log

[Algunenano]

Changelog category (leave one):

• Bug Fix (user-visible misbehavior in an official stable release)

Changelog entry (a user-readable short description of the changes that goes into CHANGELOG.md):

Fix event_date in system.asynchronous_metric_log

Closes #95924

Documentation entry for user-facing changes

• Documentation is written (mandatory for new features)

[clickhouse-gh]

Workflow [PR], commit [5a3e6df]

Summary: ❌

job_name	test_name	status	info	comment
Stateless tests (amd_binary, old analyzer, s3 storage, DatabaseReplicated, parallel)		failure
	03822_attach_with_unknown_projection	FAIL	cidb, issue	ISSUE CREATED
Stress test (arm_asan, s3)		failure
	Logical error: Block structure mismatch in A stream: different number of columns: (STID: 0993-38e6)	FAIL	cidb, issue	ISSUE EXISTS
Stress test (amd_msan)		failure
	Logical error: Block structure mismatch in A stream: different number of columns: (STID: 0993-38e6)	FAIL	cidb, issue	ISSUE EXISTS
AST fuzzer (amd_ubsan)		failure
	Logical error: Unexpected return type 'A' of function 'B', should be tuple of two elements (STID: 0250-21bc)	FAIL	cidb, issue	ISSUE EXISTS

[alexey-milovidov]

Needs a test.

Do we have any other cases of time to UInt16 casts in the code?

[Algunenano]

Do we have any other cases of time to UInt16 casts in the code?

I have no idea. A quick check with regex shows hundreds to static_cast<UInt16> but I don't see how to automate the check without a compiler infra that gives us the type of the input.

I'll add a test