When Resharper is enabled - intellisense for Razor/Blazor @ events don't work. I have tried with the latest stable version as well as EAP 2021.1 EAP 4.
Here is an example of the intellisense that I am talking about working when Resharper is DISABLED:
And here is the behavior of no intellisense when Resharper in ENABLED:
Is this a bug, or does anyone know how I can have it working with Resharper?