Implemented the resolve command using the regular blit function,
since it already supports resolve operations. Removed baseArrayLayer
related checks in Image::copyTo(), since resolving array images
exercises that path.

Bug b/118619338

Change-Id: I6a70ef5f396e51be7fde34ebe72fcf991396a45f
Tests: dEQP-VK.api.copy_and_blit.core.resolve_image.*
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/28888
Presubmit-Ready: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>
Tested-by: Alexis Hétu <sugoi@google.com>
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>