Graphics/SRP/RPF - [UUM-70492 bis] Calling Render Graph Viewer before resources deallocation

This is a follow-up PR of #48436 which was a temporary fix of [UUM-70492](https://jira.unity3d.com/browse/UUM-70492):
- Safety test is re-enabled in RenderGraphResourceRegistry
- Debug data function is called only in Editor mode as Render Graph Viewer is only visible within it.
- Debug data filling Render Graph Viewer is generated before Render Graph execution pass where we deallocate resources, potentially corrupting debug data.

Author: axoloto

Packages/com.unity.render-pipelines.core/Runtime/RenderGraph/RenderGraph.cs

@@ -1224,6 +1224,11 @@ internal void Execute()
 
                     m_Resources.BeginExecute(m_CurrentFrameIndex);
 
+#if UNITY_EDITOR
+                    // Feeding Render Graph Viewer before resource deallocation at pass execution
+                    GenerateDebugData();
+#endif
+
                     if (nativeRenderPassesEnabled)
                         ExecuteNativeRenderGraph();
                     else
@@ -1249,8 +1254,6 @@ internal void Execute()
             }
             finally
             {
-                GenerateDebugData();
-
                 if (m_DebugParameters.immediateMode)
                     ReleaseImmediateModeResources();
 
@@ -2547,7 +2550,7 @@ void CleanupDebugData()
             m_DebugData.Clear();
         }
 
-#endregion
+        #endregion
 
 
         Dictionary<int, TextureHandle> registeredGlobals = new Dictionary<int, TextureHandle>();

Packages/com.unity.render-pipelines.core/Runtime/RenderGraph/RenderGraphResourceRegistry.cs

@@ -778,7 +778,7 @@ internal void GetRenderTargetInfo(in ResourceHandle res, out RenderTargetInfo ou
             else
             {
                 // Managed by rendergraph, it might not be created yet so we look at the desc to find out
-                var desc = GetTextureResourceDesc(res, true); // TODO: remove true, we should throw on invalid desc here
+                var desc = GetTextureResourceDesc(res);
                 var dim = desc.CalculateFinalDimensions();
                 outInfo = new RenderTargetInfo();
                 outInfo.width = dim.x;