Log Message:
Update to 55.0.2

Changelog:
Fixed
    Fix a potential issue when the username had some specific characters in the \ 
path (Bug 1388584)

    Fix an issue with new installation notification for sideload add-ons (Bug \ 
1372448)

    Fix performance regressions with WebExtension (Bugs 1386937 & 1389381)

    Fix a regression with the popup menu (Bug 1388682)