[release/9.0.3xx] Remove the spacing from the table header of the templating new tests (#46001)

Author: marcpopMSFT

test/dotnet-new.Tests/Approvals/DotnetNewListTests.BasicTest_WhenLegacyCommandIsUsed_common.Linux.verified.txt

@@ -2,7 +2,7 @@
 For more information, run: 
    dotnet new list -h
 These templates matched your input: 
-Template Name                                 Short Name                  Language    Tags                              
+Template
 API
 ASP.NET
 Blazor

test/dotnet-new.Tests/Approvals/DotnetNewListTests.BasicTest_WhenLegacyCommandIsUsed_common.OSX.verified.txt

@@ -2,7 +2,7 @@
 For more information, run: 
    dotnet new list -h
 These templates matched your input: 
-Template Name                                 Short Name                  Language    Tags                          
+Template
 API
 ASP.NET
 Blazor

test/dotnet-new.Tests/Approvals/DotnetNewListTests.BasicTest_WhenLegacyCommandIsUsed_common.Windows.verified.txt

@@ -2,7 +2,7 @@
 For more information, run: 
    dotnet new list -h
 These templates matched your input: 
-Template Name                                 Short Name                  Language    Tags                              
+Template
 API
 ASP.NET
 Blazor

test/dotnet-new.Tests/Approvals/DotnetNewListTests.BasicTest_WhenListCommandIsUsed.Linux.verified.txt

@@ -1,5 +1,5 @@
 These templates matched your input: 
-Template Name                                 Short Name                  Language    Tags                              
+Template
 API
 ASP.NET
 Blazor

test/dotnet-new.Tests/Approvals/DotnetNewListTests.BasicTest_WhenListCommandIsUsed.OSX.verified.txt

@@ -1,5 +1,5 @@
 These templates matched your input: 
-Template Name                                 Short Name                  Language    Tags                          
+Template
 API
 ASP.NET
 Blazor

test/dotnet-new.Tests/Approvals/DotnetNewListTests.BasicTest_WhenListCommandIsUsed.Windows.verified.txt

@@ -1,5 +1,5 @@
 These templates matched your input: 
-Template Name                                 Short Name                  Language    Tags                              
+Template
 API
 ASP.NET
 Blazor

test/dotnet-new.Tests/DotnetNewListTests.Approval.cs

@@ -1,4 +1,4 @@
-// Licensed to the .NET Foundation under one or more agreements.
+// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using Microsoft.DotNet.Cli.Utils;
@@ -57,9 +57,15 @@ private static void ScrubData(StringBuilder input)
 
             foreach (var line in lines)
             {
-                if (line.StartsWith("-----"))
+                // start trimming whitespace and anything but the first word with the start of the table
+                if (line.StartsWith("Template Name", StringComparison.Ordinal))
                 {
                     isTable = true;
+                }
+
+                // We don't want to have to count how many dashes are in the table separator as this can change based on the width of the column
+                if (line.StartsWith("-----", StringComparison.Ordinal))
+                {
                     continue;
                 }