Include global root namespace for BindableObject

Author: stephenquan

src/CommunityToolkit.Maui.SourceGenerators.Internal.UnitTests/BindablePropertyAttributeSourceGeneratorTests/CommonUsageTests.cs

@@ -693,7 +693,7 @@ public partial class {{defaultTestClassName}}
 			    /// </summary>
 			    public static readonly global::Microsoft.Maui.Controls.BindableProperty TextProperty = global::Microsoft.Maui.Controls.BindableProperty.Create("Text", typeof(string), typeof({{defaultTestNamespace}}.{{defaultTestClassName}}), null, Microsoft.Maui.Controls.BindingMode.OneWay, null, null, null, null, __createDefaultText);
 			    bool __initializingText = false;
-			    static object __createDefaultText(Microsoft.Maui.Controls.BindableObject bindable)
+			    static object __createDefaultText(global::Microsoft.Maui.Controls.BindableObject bindable)
 			    {
 			        (({{defaultTestClassName}})bindable).__initializingText = true;
 			        var defaultValue = (({{defaultTestClassName}})bindable).Text;
@@ -708,7 +708,7 @@ static object __createDefaultText(Microsoft.Maui.Controls.BindableObject bindabl
 			    /// </summary>
 			    public static readonly global::Microsoft.Maui.Controls.BindableProperty CustomDurationProperty = global::Microsoft.Maui.Controls.BindableProperty.Create("CustomDuration", typeof(System.TimeSpan), typeof({{defaultTestNamespace}}.{{defaultTestClassName}}), null, Microsoft.Maui.Controls.BindingMode.OneWay, null, null, null, null, __createDefaultCustomDuration);
 			    bool __initializingCustomDuration = false;
-			    static object __createDefaultCustomDuration(Microsoft.Maui.Controls.BindableObject bindable)
+			    static object __createDefaultCustomDuration(global::Microsoft.Maui.Controls.BindableObject bindable)
 			    {
 			        (({{defaultTestClassName}})bindable).__initializingCustomDuration = true;
 			        var defaultValue = (({{defaultTestClassName}})bindable).CustomDuration;

src/CommunityToolkit.Maui.SourceGenerators.Internal/Generators/BindablePropertyAttributeSourceGenerator.cs

@@ -607,7 +607,7 @@ static void GenerateDefaultValueMethod(StringBuilder sb, in BindablePropertyMode
 
 		sb.Append("static object ")
 			.Append(GetDefaulteValueCreatorMethod(in info))
-			.Append("(Microsoft.Maui.Controls.BindableObject bindable)\n")
+			.Append("(global::Microsoft.Maui.Controls.BindableObject bindable)\n")
 			.Append("{\n")
 			.Append("((")
 			.Append(classNameWithGenerics)