Fix MarkCacheHits/MarkCacheMisses for save_marks_in_cache=false

[azat]

save_marks_in_cache=false uses get which is not overwritten:

ClickHouse/src/Storages/MergeTree/MergeTreeMarksLoader.cpp

Lines 231 to 241 in 4b5ee93

	if (save_marks_in_cache)
	{
	auto callback = [this] { return loadMarksImpl(); };
	loaded_marks = mark_cache->getOrSet(key, callback);
	}
	else
	{
	loaded_marks = mark_cache->get(key);
	if (!loaded_marks)
	loaded_marks = loadMarksImpl();
	}

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• Not for changelog (changelog entry is not required)

[clickhouse-gh]

Workflow [PR], commit [8ce56d8]

Summary: ❌

job_name	test_name	status	info	comment
Build (fuzzers)		error

[azat]

PR / Build (fuzzers) (pull_request)
PR / Build (fuzzers) (pull_request)Failing after 33m

• Fix fuzzer build #83327