Fix copy-paste of rich resource text

* We need to cache to the QString text on demand, which requires a context
  potentially sooner than paint/etc time.

qrenderdoc/Windows/ShaderViewer.cpp

@@ -986,7 +986,7 @@ ShaderViewer *ShaderViewer::LoadEditor(ICaptureContext &ctx, QVariantMap data,
 
   {
     QVariant v = data[lit("id")];
-    RichResourceTextInitialise(v);
+    RichResourceTextInitialise(v, &ctx);
     id = v.value<ResourceId>();
   }
   ShaderStage stage = (ShaderStage)data[lit("stage")].toUInt();