fix(endLabel): endLabel should be displayed if show is true

[Ovilia]

fix(endLabel): endLabel should be displayed if show is true in other states #14441

Brief Information

This pull request is in the type of:

• bug fixing
• new feature
• others

What does this PR do?

If endLabel.show is false, endLabel will not show on emphasis even when there is emphasis.endLabel.show: true.

Fixed issues

• emphasis endlabel doesnot work #14441: emphasis endlabel does not work

Details

Before: What was the problem?

End label not show on emphasis

After: How is it fixed in this PR?

End label show on emphasis

Misc

• The API has been changed (apache/echarts-doc#xxx).
• This PR depends on ZRender changes (ecomfe/zrender#xxx).

Related test cases or examples to use the new APIs

NA.

Others

Merging options

• Please squash the commits into a single one when merge.

Other information

[echarts-bot]

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[echarts-bot]

Congratulations! Your PR has been merged. Thanks for your contribution! 👍