Rocket.Chat Windows app eats battery a lot

[andemi]

My Setup

• Operating System: Windows 10
• App Version: 2.14.1
• Installation type: exe

• I have tested with the latest version
• I can simulate the issue easily

Description

Rocket chat eats a lot of energy and this is bad for laptop. Can you impove it?

Current Behavior

Battery section in Win10 sais it eats up to 8% of battery for 24 hours

We have only one instance and one server.
From 12pm to 1pm the average amount in one topic ~ 20msg
Other time slots have avarage load 0-5 msg / hour.
File upload / download ~ 1-2 per week

Expected Behavior

1% or less

[tassoevan]

Related to #740.