Vulkan: Fix Unbinding All Images

When unbinding all images, all textures where unbound. This was
incorrect. This PR fixes this.

Pull Request: https://projects.blender.org/blender/blender/pulls/108740

source/blender/gpu/vulkan/vk_state_manager.cc

@@ -127,7 +127,7 @@ void VKStateManager::image_unbind(Texture *tex)
 
 void VKStateManager::image_unbind_all()
 {
-  for (TextureBinding &binding : texture_bindings_) {
+  for (TextureBinding &binding : image_bindings_) {
     binding.texture = nullptr;
   }
 }