Typo and add the attribute to hide this method from intellisense

Co-authored-by: Pedro Jesus <pedrojesus.cefet@gmail.com>

Author: reck1610

src/CommunityToolkit.Maui.Core/Extensions/ColorConversionExtensions.shared.cs

@@ -1,4 +1,5 @@
-using System.Globalization;
+using System.ComponentModel;
+using System.Globalization;
 
 namespace CommunityToolkit.Maui.Core.Extensions;
 
@@ -45,7 +46,8 @@ public static string ToRgbString(this Color color)
 	/// and <b>alpha</b> is a value between 0 and 1. (e.g. <c>RGBA(255,0,0,1)</c> for <see cref="Colors.Red"/>).
 	/// </returns>
 	/// <exception cref="ArgumentNullException">Thrown when <paramref name="color"/> is null.</exception>
-	[Obsolete("Dont use CultureInfo this method should be culture invariant")]
+	[EditorBrowsable(EditorBrowsableState.Never)]
+	[Obsolete("Do not use CultureInfo, this method should be culture invariant.")]
 	public static string ToRgbaString(this Color color, CultureInfo? cultureInfo) => ToRgbaString(color);
 
 
@@ -90,7 +92,8 @@ public static string ToCmykString(this Color color)
 	/// </returns>
 	/// <exception cref="ArgumentNullException">Thrown when <paramref name="color"/> is null.</exception>
 
-	[Obsolete("Dont use CultureInfo this method should be culture invariant")]
+	[EditorBrowsable(EditorBrowsableState.Never)]
+	[Obsolete("Do not use CultureInfo, this method should be culture invariant.")]
 	public static string ToCmykaString(this Color color, CultureInfo? cultureInfo) => ToCmykaString(color);
 
 	/// <summary>
@@ -133,7 +136,8 @@ public static string ToHslString(this Color color)
 	/// will be a value between 0% and 100%, and <b>alpha</b> will be a value between 0 and 1. (e.g. <c>HSLA(0,100%,50%,1)</c> for <see cref="Colors.Red"/>).
 	/// </returns>
 	/// <exception cref="ArgumentNullException">Thrown when <paramref name="color"/> is null.</exception>
-	[Obsolete("Dont use CultureInfo this method should be culture invariant")]
+	[EditorBrowsable(EditorBrowsableState.Never)]
+	[Obsolete("Do not use CultureInfo, this method should be culture invariant.")]
 	public static string ToHslaString(this Color color, CultureInfo? cultureInfo) => ToHslaString(color);
 
 	/// <summary>