Ensure recoverable text is in temporary storage

Fixes #45452

src/Workspaces/Core/Portable/Workspace/Solution/TextDocumentState.cs

@@ -97,7 +97,14 @@ protected static ValueSource<TextAndVersion> CreateStrongText(TextLoader loader,
         }
 
         protected static ValueSource<TextAndVersion> CreateRecoverableText(TextAndVersion text, SolutionServices services)
-            => new RecoverableTextAndVersion(CreateStrongText(text), services.TemporaryStorage);
+        {
+            var result = new RecoverableTextAndVersion(CreateStrongText(text), services.TemporaryStorage);
+
+            // Ensure the recoverable text is saved in temporary storage
+            result.GetValue();
+
+            return result;
+        }
 
         protected static ValueSource<TextAndVersion> CreateRecoverableText(TextLoader loader, DocumentId documentId, SolutionServices services)
         {