* Children components using CascadingParameter add itself to parent component.However, when children components disposed, they are not remove from parent component. For example, when items in checkgroup have changed , it may causes Index was outside the bounds of the array at AntDesign.CheckboxGroup.OnCheckboxChange.To fix these bug, Adding remove function in dispose process is the solution of this commit.
* fix: some exception
Co-authored-by: ElderJames <shunjiey@hotmail.com>
* feat(module: anchor): update rendering when childcontent changed
* feat: add affixed demo list
* fix(module: affix): offsettop does not work until scroll to the top
* fix: display title
Co-authored-by: ElderJames <shunjiey@hotmail.com>