renamed hideCancelButton to shouldHideCancelButton

Author: najdanovicivan

FirebaseAuthUI/FUIAuth.h

@@ -181,10 +181,10 @@ __attribute__((deprecated("Instead use authUI:didSignInWithAuthDataResult:error:
  */
 @property(nonatomic, assign) BOOL allowNewEmailAccounts;
 
-/** @property hideCancelButton
+/** @property shouldHideCancelButton
  @brief Whether to hide the canel button, defaults to NO.
  */
-@property(nonatomic, assign) BOOL hideCancelButton;
+@property(nonatomic, assign) BOOL shouldHideCancelButton;
 
 /** @property customStringsBundle
     @brief Custom strings bundle supplied by the developer. Nil when there is no custom strings

FirebaseAuthUI/FUIAuthPickerViewController.m

@@ -80,7 +80,7 @@ - (instancetype)initWithNibName:(NSString *)nibNameOrNil
 - (void)viewDidLoad {
   [super viewDidLoad];
 
-  if (!self.authUI.hideCancelButton) {
+  if (!self.authUI.shouldHideCancelButton) {
     UIBarButtonItem *cancelBarButton =
         [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel
                                                       target:self

FirebaseAuthUI/FUIEmailEntryViewController.m

@@ -102,7 +102,7 @@ - (void)viewWillAppear:(BOOL)animated {
   [super viewWillAppear:animated];
 
   if (self.navigationController.viewControllers.firstObject == self) {
-    if (!self.authUI.hideCancelButton) {
+    if (!self.authUI.shouldHideCancelButton) {
       UIBarButtonItem *cancelBarButton =
           [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel
                                                         target:self

FirebaseAuthUI/FUIPasswordSignInViewController.m

@@ -99,7 +99,7 @@ - (void)viewWillAppear:(BOOL)animated {
   [super viewWillAppear:animated];
 
   if (self.navigationController.viewControllers.firstObject == self) {
-    if (!self.authUI.hideCancelButton) {
+    if (!self.authUI.shouldHideCancelButton) {
       UIBarButtonItem *cancelBarButton =
           [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel
                                                     target:self

FirebasePhoneAuthUI/FUIPhoneEntryViewController.m

@@ -147,7 +147,7 @@ - (void)viewWillAppear:(BOOL)animated {
                                       target:self
                                       action:@selector(cancelAuthorization)];
       self.navigationItem.leftBarButtonItem = cancelBarButton;
-    } else if (!self.authUI.hideCancelButton) {
+    } else if (!self.authUI.shouldHideCancelButton) {
       UIBarButtonItem *cancelBarButton =
           [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel
                                                         target:self