[Bug] The entire tabs tray menu is displayed when switching from normal to private browsing

[ebalazs-sv]

Preconditions

Do not have any opened tabs in private browsing.

Steps to reproduce

1. Launch Fenix and open 2-3 tabs in normal browsing;
2. Tap the tab counter to open the tabs tray;
3. Tap the private icon;
4. Tap the ⋮ button;

Expected behavior

The tabs tray menu when there are no opened tabs has the options: "Tab setting" and "Recently closed tab".

Actual behavior

The tabs tray menu has all the options: "Share all tabs", "Tab settings", "Recently closed tabs", "Close all tabs".

Notes

This is also reproducible when there are opened tabs in private browsing and no opened tabs in normal browsing.

Device information

• Android device: Motorola Moto G6 (Android 8);
• Fenix version: Nightly 200929 05:08 (Build #2015766697) GV 83.0a1 from 9/29

┆Issue is synchronized with this Jira Task

[ebalazs-sv]

Verified as fixed on Nightly 201002 05:00 (Build #2015767273) GV 83.0a1 from 10/02 with Motorola Moto G6 (Android 8).
New related issue, the "Save to collection" is displayed in normal browsing tabs tray menu: #15632