[ShaderGraph] Compile can fail if its being generated/compiled for the first time.

[QuackCola]

Describe the bug

Upon trying to compile a fresh graph or a preexisting graph the compile can fail. However if you restart the editor after compiling for the first time the files will compile fine now.

To Reproduce

1. Make sure you don't have the s&box editor open.
2. Navigate to sbox\.source2\temp\shadergraph
3. Delete any shaders there.
4. Open the s&box editor.
5. open Shadergraph.
6. trigger a compile by moving the Result node.
7. Observe the described issue.

Expected behavior

To compile.

Media/Files

2024-12-20.15-53-44.mp4

Additional context

No response