Handle biometric authentication with revoked permissions

app/src/main/java/eu/faircode/email/Helper.java

@@ -3681,7 +3681,34 @@ public class Helper {
                                         });
                                     }
                                 });
-                        prompt.authenticate(info.build());
+                        try {
+                            prompt.authenticate(info.build());
+                        } catch (Throwable ex) {
+                            Log.e(ex);
+                            try {
+                                prompt.cancelAuthentication();
+                            } catch (Throwable ignored) {
+                            }
+                            /*
+                                java.lang.SecurityException: eu.faircode.email from uid 10353 not allowed to perform USE_BIOMETRIC
+                                    at android.os.Parcel.createExceptionOrNull(Parcel.java:3354)
+                                    at android.os.Parcel.createException(Parcel.java:3338)
+                                    at android.os.Parcel.readException(Parcel.java:3321)
+                                    at android.os.Parcel.readException(Parcel.java:3263)
+                                    at android.hardware.biometrics.IAuthService$Stub$Proxy.authenticate(IAuthService.java:597)
+                                    at android.hardware.biometrics.BiometricPrompt.authenticateInternal(BiometricPrompt.java:1773)
+                                    at android.hardware.biometrics.BiometricPrompt.authenticateInternal(BiometricPrompt.java:1720)
+                                    at android.hardware.biometrics.BiometricPrompt.authenticate(BiometricPrompt.java:1698)
+                                    at androidx.biometric.BiometricFragment$Api28Impl.authenticate(SourceFile:1)
+                                    at androidx.biometric.BiometricFragment.authenticateWithBiometricPrompt(SourceFile:38)
+                                    at androidx.biometric.BiometricFragment.showBiometricPromptForAuthentication(SourceFile:119)
+                                    at androidx.biometric.BiometricFragment.showPromptForAuthentication(SourceFile:54)
+                                    at androidx.biometric.BiometricFragment.authenticate(SourceFile:98)
+                                    at androidx.biometric.BiometricPrompt.authenticateInternal(SourceFile:29)
+                                    at androidx.biometric.BiometricPrompt.authenticate(SourceFile:4)
+                                    at eu.faircode.email.Helper$12.onClick(SourceFile:120)
+                            */
+                        }
                     } else if (secure)
                         tilPassword.getEditText().setTransformationMethod(null);
                 }