2023.1: Crash on malloc_internal when recompiling a ShaderGraph used …

…by another shader via UsePass

Issue here is that Crash on malloc_internal when recompiling a ShaderGraph used by another shader via UsePass

This PR fixes the issues by making sure that shaders are reloaded after all shader import cases.

Bug: https://jira.unity3d.com/browse/UUM-46187
Backport: https://jira.unity3d.com/browse/UUM-48112

Tests/SRPTests/Projects/ShaderGraph/Assets/CommonAssets/Editor/FileMoveTests.cs

@@ -195,6 +195,12 @@ public IEnumerator MoveDirectoryTests()
             yield return null;
 
             CloseGraphWindow();
+
+            // Wait for any potential compilation to finish before entering cleanup, which deletes the files
+            while (ShaderUtil.anythingCompiling)
+            {
+                yield return null;
+            }
         }
     }
 }