[clang-tools-extra] [clang-tidy] Take type aliases into account (PR #150842)

[Baranov Victor via cfe-commits]

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@@ -224,3 +224,22 @@ std::array a{1,2,3};
 std::array<int,2> b{10, 11};
 using array = std::array<int, 2>;
 array c{10, 11};
+
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vbvictor wrote:

Please add tests with:

- alias with all fields using designated-init
- alias with some field using designated-init

https://github.com/llvm/llvm-project/pull/150842