Fixes TextPath rendering bugs (#1308)

* Do not emit line break when rendering
* Don't be greedy when measuring.
* Fix a condition that decides if the path fits in the allotted space.

Closes #1307

test/Spectre.Console.Tests/Utilities/GitHubIssueAttribute.cs

@@ -0,0 +1,12 @@
+namespace Spectre.Console.Tests;
+
+[AttributeUsage(AttributeTargets.Method, AllowMultiple = true)]
+public sealed class GitHubIssueAttribute : Attribute
+{
+    public string Url { get; }
+
+    public GitHubIssueAttribute(string url)
+    {
+        Url = url;
+    }
+}