Issue type

I'm submitting a ... (check one with "x")

• [ X] bug report
• feature request
• question about the decisions made in the repository

Issue description

This is frequently asked question about the cascader component. Adding a FAQ section would help more users who have the same problem.

https://stackoverflow.com/questions/60320913/ng-zorro-cascader-lazy-load-data-nzloaddata-function-got-this-undefined/60928983#60928983

Describe the Bug

I'm having problems with the global mocks configured, I would like to disable them. Could be posible to provide an option in angular.json to disable it?

Minimal Reproduction

I think it isn't needed

Expected Behavior

And option to disable the [mocks ap

Scenario:

• In the wizard with the competion step, click though the steps until you reach the completion step.
• Observe that indicators for previous steps react to hover, but clicking them does not cause navigation:

![previous step is hoverable but not clickable after visiting completion step](https://user-images.githubusercontent.com/52021/50422496-26a6f480-085c-11e9-87b7-789792c0acbf.png

I'm submitting a ... (check one with "x")

[ ] bug report => search github for a similar issue or PR before submitting
[ x] feature request
[ ] support request => Please do not submit support request here, post on Stackoverflow or Gitter

Current behavior
The modal adds a class to the body when it's open and removes it when it closes.

Expected behavior
The class sho

When trying to add "Yearly" repetition and after that open to editing this appointment it will show wrong start month. It starts always from January.

Topic:
https://www.jqwidgets.com/community/topic/when-yearly-repeat-function-the-month-is-always-fixed-at-january/

Add a new tab to the show page that will display a list of all shows and there watched percentage. This tab will need some filters as well to a user can filter on "Emby user". This data is also useful on the user detail page itself.

• Create a new tab and display list of shows
• Sync watched states from Emby on media sync (or small sync)
• Accumulate all watched states from all us

PLEASE FILL THIS OUT IF YOU WANT HELP WITH AN ISSUE!

Bug, feature request, or proposal:

Bug

What is the current behavior?

When you click on progressbar (or grab it), it stucks on grabbing and can't click anymore.

What is the expected behavior?

What are the steps to reproduce?

Click or grab the progressbar then try to click or grab.

What is