Fixed issue in client-side Blazor, added ModuleMessage to ModuleInstance

Oqtane.Client/Modules/HtmlText/Index.razor

@@ -6,17 +6,13 @@
 @inject HttpClient http
 @inject SiteState sitestate
 
-<ModuleMessage Message="@message" />
-
 @((MarkupString)content)
 
 <br />
 <ActionLink Action="Edit" />
-<br />
-<br />
+<br /><br />
 
 @code {
-    string message = "";
     string content;
 
     protected override async Task OnParametersSetAsync()
@@ -32,7 +28,7 @@
         }
         catch (Exception ex)
         {
-            message = ex.Message;
+            ModuleInstance.AddModuleMessage(ex.Message, MessageType.Error);
         }
     }
 }