Change tray icon click to always show/focus window (#2984)
Change tray icon click to always show/focus window (#2984)

* Added function to always show the window on tray icon click and reassigned click event

* Refactored the code to force the window on top into its own function

nrizzio/Signal-Desktop,nrizzio/Signal-Desktop,nrizzio/Signal-Desktop,nrizzio/Signal-Desktop