TL: Fix logs appearance from nuget client/credential provider

src/MSBuild.UnitTests/Snapshots/TerminalLogger_Tests.PrintImmediateMessage_Skipped.OSX.verified.txt

@@ -1,3 +1,3 @@
-\[?25l
+[?25l
 [?25h
 Build succeeded in 0.0s

src/MSBuild.UnitTests/Snapshots/TerminalLogger_Tests.PrintImmediateMessage_Success.OSX.verified.txt

@@ -1,4 +1,4 @@
-\--interactive
+--interactive
 [?25l
 [?25h
 Build succeeded in 0.0s

src/MSBuild.UnitTests/Snapshots/TerminalLogger_Tests.PrintImmediateWarningMessage_Succeeded.OSX.verified.txt

@@ -1,4 +1,4 @@
-\directory/file(1,2,3,4): warning AA0000: [CredentialProvider]
+directory/file(1,2,3,4): warning AA0000: [CredentialProvider]
   project succeeded with warnings (0.0s)
     directory/file(1,2,3,4): warning AA0000: [CredentialProvider]
 [?25l

src/MSBuild/TerminalLogger/TerminalLogger.cs

@@ -28,7 +28,7 @@ internal sealed class TerminalLogger : INodeLogger
 {
     private const string FilePathPattern = " -> ";
     private const char PatternSeparator = '|';
-    private readonly string _immediateMessagePattern = $@"\[CredentialProvider\]{PatternSeparator}--interactive";
+    private readonly Regex _immediateMessageRegex = new Regex($@"\[CredentialProvider\]{PatternSeparator}--interactive");
 
     /// <summary>
     /// A wrapper over the project context ID passed to us in <see cref="IEventSource"/> logger events.
@@ -567,7 +567,7 @@ private void MessageRaised(object sender, BuildMessageEventArgs e)
                 }
             }
 
-            if (ImmeidateMessageRaised(message))
+            if (ImmediateMessageRaised(message))
             {
                 RenderImmediateMessage(message);
             }
@@ -596,7 +596,7 @@ private void WarningRaised(object sender, BuildWarningEventArgs e)
                 threadId: e.ThreadId,
                 logOutputProperties: null);
 
-            if (ImmeidateMessageRaised(message))
+            if (ImmediateMessageRaised(message))
             {
                 RenderImmediateMessage(message);
             }
@@ -610,12 +610,7 @@ private void WarningRaised(object sender, BuildWarningEventArgs e)
     /// </summary>
     /// <param name="message">Raised event.</param>
     /// <returns>true if marker is detected.</returns>
-    private bool ImmeidateMessageRaised(string message)
-    {
-        Regex regex = new(_immediateMessagePattern);
-
-        return regex.IsMatch(message);
-    }
+    private bool ImmediateMessageRaised(string message) => _immediateMessageRegex.IsMatch(message);
 
     /// <summary>
     /// The <see cref="IEventSource.ErrorRaised"/> callback.