Fix formatting issues in DependencyGraphViewer (#86890)

Whitespace only change, to fix tabs/spaces and trailing spaces.
Without this the tool doesn't build.

Author: vitek-karas

src/coreclr/tools/aot/DependencyGraphViewer/NodeForm.cs

@@ -67,5 +67,5 @@ private void infoButton_LinkClicked(object sender, EventArgs e)
             string dMessage = "Dependent nodes depend on the current node. The current node depends on the dependees.";
             MessageBox.Show(dMessage);
         }
-    }   
+    }
 }

src/coreclr/tools/aot/DependencyGraphViewer/Program.cs

@@ -17,7 +17,7 @@
 
 namespace DependencyLogViewer
 {
-	public class BoxDisplay
+    public class BoxDisplay
     {
         public Node node;
         public List<string> reason;