- Fixed clickability of buttons in navigation panel.
- Added env check to avoid logging on onHeadersReceived listener stage

- Navigation history is not stored in localstorage by default.
- Added options page to enable/disable persistence of history to localstorage.
- Added clear history button on options page to clear all navigation history.
- Fixes for svg icons on vandal navigation panel
- Added background color to the months in calendar input for clearer visual.