feat: Add logout for oidc (#2840)

* add oidc logout route, button in menu

* removed old comments

* use local storage to trigger signout in other tabs

* refactored to make use useEffect

* cleaned up comments

* fix remove event listener

* moved remove leftover storage variable to beginning of usemount

Co-authored-by: Michael Andersen <Michael.Andersen@rmp.uhn.ca>

platform/ui/src/components/Icon/getIcon.js

@@ -28,6 +28,7 @@ import logoOhifSmall from './../../assets/icons/logo-ohif-small.svg';
 import magnifier from './../../assets/icons/magnifier.svg';
 import notificationwarningDiamond from './../../assets/icons/notificationwarning-diamond.svg';
 import pencil from './../../assets/icons/pencil.svg';
+import powerOff from './../../assets/icons/power-off.svg';
 import profile from './../../assets/icons/profile.svg';
 import pushLeft from './../../assets/icons/push-left.svg';
 import pushRight from './../../assets/icons/push-right.svg';
@@ -97,6 +98,7 @@ const ICONS = {
   exclamation: exclamation,
   'notificationwarning-diamond': notificationwarningDiamond,
   pencil: pencil,
+  'power-off': powerOff,
   profile: profile,
   'push-left': pushLeft,
   'push-right': pushRight,