Lazy load widgets to improve Dashboard performance

[alexjustesen]

Is your feature request related to a problem? Please describe.
More faster, more better(er)

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[AleksCee]

Is the issue perhaps the same I observe: the dashboard trigger 4 requests every second from every browser which has a active view on the page. Is there a way to inform the browser if a reload should start via event or stream from steh server to minimize the requests?