修复图片预览时底部工具条不能隐藏的问题

TZImagePickerController/TZImagePickerController/TZImagePickerController.m

@@ -156,7 +156,6 @@
         [_HUDIndicatorView stopAnimating];
         [_progressHUD removeFromSuperview];
     }
-    [self dismissViewControllerAnimated:YES completion:nil];
 }
 
 - (void)pushViewController:(UIViewController *)viewController animated:(BOOL)animated {
@@ -197,6 +196,8 @@
 
 - (void)viewWillAppear:(BOOL)animated {
     [super viewWillAppear:animated];
+    TZImagePickerController *imagePickerVc = (TZImagePickerController *)self.navigationController;
+    [imagePickerVc hideProgressHUD];
     if (_albumArr) return;
     [self configTableView];
 }

TZImagePickerController/TZImagePickerController/TZPhotoPickerController.m

@@ -231,6 +231,7 @@ static CGSize AssetGridThumbnailSize;
                 imagePickerVc.didFinishPickingPhotosWithInfosHandle(photos,assets,infoArr);
             }
             [imagePickerVc hideProgressHUD];
+            [self.navigationController dismissViewControllerAnimated:YES completion:nil];
         }];
     }
 }

TZImagePickerController/TZImagePickerController/TZPhotoPreviewController.m

@@ -237,7 +237,7 @@
     
     __block BOOL _weakIsHideNaviBar = _isHideNaviBar;
     __weak typeof(_naviBar) weakNaviBar = _naviBar;
-    __weak typeof(_naviBar) weakToolBar = _naviBar;
+    __weak typeof(_toolBar) weakToolBar = _toolBar;
     if (!cell.singleTapGestureBlock) {
         cell.singleTapGestureBlock = ^(){
             // show or hide naviBar / 显示或隐藏导航栏