🐛 Bug - Long tap on own miniprofile in the left sidebar crashes the client

[SigmaTel71]

Describe the bug
A clear and concise description of what the bug is.

To Reproduce
Steps to reproduce the behavior:

1. Open the left sidebar where your channels list is
2. Long tap the own miniprofile in the bottom part
3. See error

Expected behavior
The context menu appears that is similar to the RMB on the web or desktop version.

System Information:

• OS: Android 8.1
• Valour Version: Alpha v0.8.1 (7676922c)
• Valour Platform: Mobile App

Additional context

System.ArgumentException: Arg_ObjObjEx, Microsoft.AspNetCore.Components.Web.MouseEventArgs, Valour.Client.Utility.ContextPressEventArgs
   at System.Reflection.MethodBaseInvoker.InvokeWithOneArg(Object, BindingFlags, Binder, Object[], CultureInfo)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object, BindingFlags, Binder, Object[], CultureInfo)
   at System.Delegate.DynamicInvokeImpl(Object[])
   at System.Delegate.DynamicInvoke(Object[] )
   at Microsoft.AspNetCore.Components.EventCallbackWorkItem.InvokeAsync[T](MulticastDelegate , T)
   at Microsoft.AspNetCore.Components.EventCallbackWorkItem.InvokeAsync(Object )
   at Microsoft.AspNetCore.Components.ComponentBase.Microsoft.AspNetCore.Components.IHandleEvent.HandleEventAsync(EventCallbackWorkItem callback, Object arg)
   at Microsoft.AspNetCore.Components.EventCallback.InvokeAsync(Object )
   at Microsoft.AspNetCore.Components.RenderTree.Renderer.DispatchEventAsync(UInt64, EventFieldInfo , EventArgs, Boolean)