Fixes #3186. HotKeys must be explicitly set (Makes TextFormatter.FindHotKey firstUpperCase default to false) (#3187)

* Removed resharper settings from editorconfig

* Fixed FileDialog, Button, and Checkbox

* Fixed RadioGroup

* code cleanup

* Fixed Unicode Scenario

* Fixed nonBMP bug in DrawHotString

* Fixed nonBMP bug in DrawHotString

* Fixed AllViewsTester and Buttons

* Fixed Dialogs & MessageBoxes

* API docs

UnitTests/View/DrawTests.cs

@@ -1,8 +1,6 @@
 using System.Text;
-using System;
 using Xunit;
 using Xunit.Abstractions;
-using Microsoft.VisualStudio.TestPlatform.Utilities;
 
 namespace Terminal.Gui.ViewsTests;
 
@@ -382,6 +380,18 @@ t     ", _output);
 		TestHelpers.AssertDriverContentsWithFrameAre ("", _output);
 	}
 
+	[Theory, SetupFakeDriver]
+	[InlineData ("𝔽𝕆𝕆𝔹𝔸R")]
+	[InlineData ("a𐐀b")]
+	void DrawHotString_NonBmp (string expected)
+	{
+		var view = new View () { Width = 10, Height = 1 };
+		view.DrawHotString (expected, Attribute.Default, Attribute.Default);
+
+		TestHelpers.AssertDriverContentsWithFrameAre (expected, _output);
+
+	}
+
 	[Fact, AutoInitShutdown]
 	public void Draw_Minimum_Full_Border_With_Empty_Bounds ()
 	{
@@ -512,4 +522,4 @@ t     ", _output);
 │Test│
 └────┘", _output);
 	}
-}
+}