[PM-18884] Enable fido2 2FA on Linux (#13038)

* Add support for fido2 2fa on mac

* Update comment

* Update 2fa setup message

* Enable fido2 2FA on unsandboxed linux

* Enable on snap and flatpak

* Fix comment

* Fix typo

apps/desktop/electron-builder.json

@@ -249,7 +249,8 @@
         "polkit": {
           "action-prefix": "com.bitwarden.Bitwarden"
         }
-      }
+      },
+      "u2f-devices"
     ],
     "stagePackages": ["default"]
   },

apps/desktop/resources/com.bitwarden.desktop.devel.yaml

@@ -22,6 +22,7 @@ finish-args:
   - --talk-name=org.freedesktop.ScreenSaver
   - --system-talk-name=org.freedesktop.login1
   - --filesystem=xdg-download
+  - --device=all
 modules:
   - name: bitwarden-desktop
     buildsystem: simple

apps/desktop/src/platform/services/electron-platform-utils.service.ts

@@ -77,11 +77,9 @@ export class ElectronPlatformUtilsService implements PlatformUtilsService {
     return (await this.getApplicationVersion()).split(/[+|-]/)[0].trim();
   }
 
-  // Restricted to Windows and Mac. Mac is missing support for pin entry, and Linux is missing support entirely and has to be implemented in another way.
+  // Linux and Mac are missing a ui to enter a pin, so this works for two-factor security keys, when always-uv is not active
   supportsWebAuthn(win: Window): boolean {
-    return (
-      this.getDevice() === DeviceType.WindowsDesktop || this.getDevice() === DeviceType.MacOsDesktop
-    );
+    return true;
   }
 
   supportsDuo(): boolean {