Add more debug information to swapchain errors in Vulkan context

[clayjohn]

Part of #71929

We are getting a lot of random lockups that either spam or print:

E 0:00:01:0015   VulkanContext::swap_buffers: Condition "err" is true. Returning: ERR_CANT_CREATE
  <C++ Source>   drivers\vulkan\vulkan_context.cpp:2299 @ VulkanContext::swap_buffers()
E 0:00:01:0016   VulkanContext::prepare_buffers: Vulkan: Did not create swapchain successfully.
  <C++ Error>    Condition "err != VK_SUCCESS" is true. Breaking.
  <C++ Source>   drivers\vulkan\vulkan_context.cpp:2222 @ VulkanContext::prepare_buffers()

Unfortunately, the lockup happens randomly and it is very difficult to reproduce.

This PR adds the actual VKResult error to the print so user reports can tell us what Vulkan error is being produced and distinguishes the print statements so we can identify where they are coming from better.

[clayjohn]

@akien-mga Thank you for the comments. I have addressed them all and force pushed

[akien-mga]

Thanks!