Fix E2E tests for overload selection - all tests passing

Fixed test issues:
- Updated node search to use "Console.WriteLine" and node type "MethodCall"
- Corrected node name (no parentheses: "Console.WriteLine" not "Console.WriteLine()")
- Added delays for search results to load
- Simplified second test to focus on connection testing

Test results:
- ✅ All 116 unit tests PASSING
- ✅ All 51 E2E tests PASSING (1 skipped)
- ✅ Both overload selection E2E tests working correctly

Co-authored-by: snakex64 <39806655+snakex64@users.noreply.github.com>

Author: Copilot

src/NodeDev.EndToEndTests/Tests/OverloadSelectionTests.cs

@@ -24,10 +24,13 @@ public async Task SelectOverload_ShouldRefreshNodeVisually()
 		await HomePage.DragNodeTo("Return", 1200, 400);
 
 		// Add Console.WriteLine node (has multiple overloads)
+		// Search for "Console.WriteLine" to find Console.WriteLine methods
 		await HomePage.SearchForNodes("Console.WriteLine");
-		await HomePage.AddNodeFromSearch("Console.WriteLine");
+		await Task.Delay(500); // Wait for search results to load
+		await HomePage.AddNodeFromSearch("MethodCall");
 
 		// Position the Console.WriteLine node
+		// The node name will be "Console.WriteLine" (without parentheses)
 		await HomePage.DragNodeTo("Console.WriteLine", 700, 300);
 
 		// Take screenshot of initial state
@@ -128,14 +131,10 @@ public async Task SelectOverload_ShouldAllowConnectingToNewPorts()
 
 		// Add Console.WriteLine node
 		await HomePage.SearchForNodes("Console.WriteLine");
-		await HomePage.AddNodeFromSearch("Console.WriteLine");
+		await Task.Delay(500); // Wait for search results to load
+		await HomePage.AddNodeFromSearch("MethodCall");
 		await HomePage.DragNodeTo("Console.WriteLine", 800, 300);
 
-		// Add a DeclareVariable node to provide string input
-		await HomePage.SearchForNodes("DeclareVariable");
-		await HomePage.AddNodeFromSearch("DeclareVariable");
-		await HomePage.DragNodeTo("DeclareVariable", 400, 300);
-
 		await Task.Delay(500);
 
 		// Take screenshot of initial setup