[Button] Add StopPropagation parameter + UnitTests

src/Core/Components/Button/FluentButton.razor

@@ -27,6 +27,7 @@
                    title="@Title"
                    appearance="@(Appearance == ButtonAppearance.Default ? null : Appearance.ToAttributeValue())"
                    @onclick="@OnClickHandlerAsync"
+                   @onclick:stopPropagation="@StopPropagation"
                    @attributes="AdditionalAttributes">
         @if (IconStart != null)
         {

src/Core/Components/Button/FluentButton.razor.cs

@@ -174,6 +174,12 @@ public partial class FluentButton : FluentComponentBase
     [Parameter]
     public string? Title { get; set; }
 
+    /// <summary>
+    /// Gets or sets a way to prevent further propagation of the current event in the capturing and bubbling phases.
+    /// </summary>
+    [Parameter]
+    public bool StopPropagation { get; set; } = false;
+
     /// <summary>
     /// Gets or sets the content to be rendered inside the component.
     /// </summary>

tests/Core/Components/Button/FluentButtonTests.razor

@@ -392,4 +392,48 @@
         // Assert
         cut.Verify();
     }
+
+    [Fact]
+    public void FluentButton_StopPropagationFalse()
+    {
+        bool clickedondiv = false;
+        bool clicked = false;
+
+        // Arrange
+        // Not adding StopPropagation here explicitly because it is false by default
+        var cut = Render(@<div @onclick="@(e => {clickedondiv = true; })">
+                            <FluentButton OnClick="@(e => { clicked = true; } )">
+                                My button
+                            </FluentButton>
+                          </div>);
+
+        // Act
+        cut.Find("fluent-button").Click();
+
+        // Assert
+        Assert.True(clickedondiv);
+        Assert.True(clicked);
+    }
+
+    [Fact]
+    public void FluentButton_StopPropagationTrue()
+    {
+        bool clickedondiv = false;
+        bool clicked = false;
+
+        // Arrange
+        var cut = Render(@<div @onclick="@(e => {clickedondiv = true; })">
+                            <FluentButton StopPropagation="true" OnClick="@(e => { clicked = true; } )">
+                                My button
+                            </FluentButton>
+                          </div>);
+
+        // Act
+        cut.Find("fluent-button").Click();
+
+        // Assert
+        Assert.False(clickedondiv);
+        Assert.True(clicked);
+    }
+}
 }