Updating Mudblazor Version

Components/Feedback/ToastComponent.razor

@@ -19,7 +19,7 @@ else
 }
 
 <style>
-     .toastContainer {
+    .toastContainer {
         border: 4px solid;
         border-radius: 4px;
         padding: 16px;
@@ -29,7 +29,7 @@ else
         width: 250px;
         cursor: pointer;
     }
-    
+
     .@SeverityType.Warning.ToLower() {
         background-color: var(--severity-warning-color);
         border-color: var(--severity-warning-border-color);
@@ -58,11 +58,10 @@ else
 
 @code {
 
-    [Parameter]
-    public ToastModel? Toast { get; set; } = default!;
+    [Parameter] public ToastModel? Toast { get; set; }
 
-    private float removalTime = 1300;
-    private float fadeoutTime = 1200;
+    private readonly float removalTime = 1300;
+    private readonly float fadeoutTime = 1200;
 
     private float Opacity()
     {