Move a check up

To avoid unnecessary work in failure scenarios.

Author: jjonescz

src/Cli/dotnet/Commands/Run/RunCommand.cs

@@ -110,14 +110,14 @@ public int Execute()
         }
         else
         {
-            if (EntryPointFileFullPath is not null)
+            if (NoCache)
             {
-                projectFactory = CreateVirtualCommand().PrepareProjectInstance().CreateProjectInstance;
+                throw new GracefulException(CliCommandStrings.InvalidOptionCombination, RunCommandParser.NoCacheOption.Name, RunCommandParser.NoBuildOption.Name);
             }
 
-            if (NoCache)
+            if (EntryPointFileFullPath is not null)
             {
-                throw new GracefulException(CliCommandStrings.InvalidOptionCombination, RunCommandParser.NoCacheOption.Name, RunCommandParser.NoBuildOption.Name);
+                projectFactory = CreateVirtualCommand().PrepareProjectInstance().CreateProjectInstance;
             }
         }