Tabs:Lazy Rendering With Keep Mounted

Build 3095 on feat-remove-reset-style
Reviewing disabled
Baseline History
Build 30957706093
Current build. There are unaccepted changes, so build 3056 is still the baseline.
Build 3056b6f41cc current baseline
Accepted by Andrey Yamanov.
Build 2958daa00f7
Accepted by Andrey Yamanov.
Build 29015c33aef
Accepted by Andrey Yamanov.
Build 2889044f219
Accepted by Andrey Yamanov.
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