Added method to reset passcode, useful when using app extensions

Author: javitrujillo

LTHPasscodeViewController/LTHPasscodeViewController.h

@@ -416,5 +416,9 @@
  @brief  Returns the shared instance of the passcode view controller.
  */
 + (instancetype)sharedUser;
+/**
+ @brief  Resets the passcode.
+ */
+- (void)resetPasscode;
 
 @end

LTHPasscodeViewController/LTHPasscodeViewController.m

@@ -320,6 +320,15 @@ - (NSString *)_passcode {
                                               error:nil];
 }
 
+
+- (void)resetPasscode {
+    if ([self _doesPasscodeExist]) {
+        NSString *passcode = [self _passcode];
+        [self _deletePasscode];
+        [self _savePasscode:passcode];
+    }
+}
+
 #if !(TARGET_IPHONE_SIMULATOR)
 - (void)_handleTouchIDFailureAndDisableTouchID:(BOOL)disableTouchID {
     dispatch_async(dispatch_get_main_queue(), ^{