Updating reversed/shuffled tab order

[solsticesurfer]

Please complete the following information when submitting a feature request or bug report.

• Extension version: 7.1.6.2
• Browser name & version: Vivaldi 3.7.2218
• Operating system & version: Win 10

Similar to (and likely the cause of) the complaint that tab groups were destroyed on update, the order of the tabs were reversed or shuffled as a result of the latest update. This may sound like a trivial issue but some of us use tab order for prioritization and grouping of related tabs.

[sherkot]

Linked to #76