Bug: sidebar note display on one tab overridden by another tab

[ReporterX]

• Browser version: 66.03
• Extension version: 1.2.7
• Operating system: Windows 7

Steps to reproduce the bug: Open sidebar note. Open site A on the first tab. Create a note for site A. Display site A note in the sidebar.

Then open site B on the second tab. Open the menu (display a list of note to open) Switch to the first tab.

Expected: stay the same. Sidebar shows the site A note. Actual: Being overridden. Show the menu instead.