Correctly set biometric state on connect failure

src/background/main.background.ts

@@ -152,10 +152,16 @@ export default class MainBackground {
                     this.systemService.clearClipboard(clipboardValue, clearMs);
                 }
             },
-            () => {
+            async () => {
                 if (this.nativeMessagingBackground != null) {
                     const promise = this.nativeMessagingBackground.getResponse();
-                    this.nativeMessagingBackground.send({command: 'biometricUnlock'})
+                    
+                    try {
+                        await this.nativeMessagingBackground.send({command: 'biometricUnlock'});
+                    } catch (e) {
+                        return Promise.reject(e);
+                    }
+
                     return promise.then((result) => result.response === 'unlocked');
                 }
             });

src/popup/settings/settings.component.html

@@ -44,7 +44,7 @@
             </div>
             <div class="box-content-row box-content-row-checkbox" appBoxRow>
                 <label for="biometric">{{'unlockWithBiometrics' | i18n}}</label>
-                <input id="biometric" type="checkbox" (change)="updateBiometric()" [checked]="biometric">
+                <input id="biometric" type="checkbox" (change)="updateBiometric()" [(ngModel)]="biometric">
             </div>
             <a class="box-content-row box-content-row-flex text-default" href="#" appStopClick appBlurClick
                 (click)="lock()">

src/popup/settings/settings.component.ts

@@ -208,10 +208,6 @@ export class SettingsComponent implements OnInit {
 
     async updateBiometric() {
         if (this.biometric) {
-            this.biometric = false;
-            await this.storageService.remove(ConstantsService.biometricUnlockKey);
-            this.vaultTimeoutService.biometricLocked = false;
-        } else {
             const submitted = Swal.fire({
                 heightAuto: false,
                 buttonsStyling: false,
@@ -242,8 +238,14 @@ export class SettingsComponent implements OnInit {
                     if (this.biometric === false) {
                         this.platformUtilsService.showToast('error', this.i18nService.t('errorEnableBiometricTitle'), this.i18nService.t('errorEnableBiometricDesc'));
                     }
+                }).catch((e) => {
+                    // Handle connection errors
+                    this.biometric = false;
                 })
             ]);
+        } else {
+            await this.storageService.remove(ConstantsService.biometricUnlockKey);
+            this.vaultTimeoutService.biometricLocked = false;
         }
     }