Reduce Websocket event pressure due attr/lastseen#8193
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This PR changes Websocket events caused by `attr/lastseen` updates to only contain that value but not the full `attr` object. This reduces traffic size on Websockets and also prevents the plugin to cycle through all ResourceItems and build the whole response. The `attr/lastseen` might be emitted at most once per minute per device, which in a larger network causes quite some traffic.
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This PR changes Websocket events caused by
attr/lastseenupdates to only contain that value but not the fullattrobject.This reduces traffic load on Websockets and also prevents the plugin to cycle through all ResourceItems and build the whole response.
The
attr/lastseenmight be emitted at most once per minute per device, which in a larger network causes quite some traffic.