[VFX] Avoid file forbidden characters in shortcut name

Jira: https://jira.unity3d.com/browse/UUM-71918

Steps to reproduce:
- Create a Project and Install the Visual Effect Graph Package
- In the Project Browser right-click and Create > Visual Effects > Visual Effect Graph
- Double click any of the Templates
- Open the Asset

Actual results
Error "ArgumentException: Illegal characters in path.
System.IO.Path.GetFileName (System.String path) (at <a35250a304174d009b77e5c5f6695f54>:0)
UnityEditor.ShortcutManagement.HelperWindow+<>c.<UpdateContext>b__7_2 (UnityEditor.ShortcutManagement.ShortcutEntry s) (at <7b4ba97968ea4dd39e76baa286b7953f>:0)" logged when opening the Asset or manipulating the VFX Graph Window

Expected results
No Error issues when creating VFX Graphs

Reproducible with versions: 2023.3.0b1, 6000.0.2f1
Not reproducible with versions: 2021.3.38f1, 2022.3.39f1, 2023.1.20f1, 2023.2.20f1, 2023.3.0a19
Tested on (OS): Windows 11 (Reproducible), macOS Sonoma (Not reproducible)

![Unity_71b8EGIxFI](https://media.github.cds.internal.unity3d.com/user/4003/files/123c964b-9bc6-4ce5-9877-b40aaa11a30d)

![Unity_ok6X5WIBG8](https://media.github.cds.internal.unity3d.com/user/4003/files/d005f6ee-3ada-47e9-9931-7672343181c4)

Author: julienamsellem

Packages/com.unity.visualeffectgraph/Editor/VisualEffectGraphShortcuts.cs

@@ -233,7 +233,7 @@ static void ConvertToSubgraphOperator(ShortcutArguments args)
             }
         }
 
-        [Shortcut("Visual Effect Graph/Toggle Property<->Inline", typeof(VFXViewWindow), KeyCode.X, ShortcutModifiers.Shift)]
+        [Shortcut("Visual Effect Graph/Toggle Property--Inline", typeof(VFXViewWindow), KeyCode.X, ShortcutModifiers.Shift)]
         static void ToggleNodePropertyOrInline(ShortcutArguments args)
         {
             if (args.context is VFXViewWindow window)