refactor: refactor tooltip components

[wzhudev]

close #3456

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/CONTRIBUTING.md#commit
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

[ ] Bugfix
[x] Feature
[ ] Code style update (formatting, local variables)
[x] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Documentation content changes
[ ] Application (the showcase website) / infrastructure changes
[ ] Other... Please describe:

What is the current behavior?

Issue Number: N/A

What is the new behavior?

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information

TODO

• Use titles with prefix (like nzTooltipTitle) and deprecate old ones without prefix
• Typing things
• And new api for positions and trigger, too.
• Add deprecation information.

Component usage will be removed in 9.0.0.

API without prefix will be removed in 10.0.0.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@ffb7219). Click here to learn what that means.
The diff coverage is 94.46%.

@@           Coverage Diff            @@
##             master   #3909   +/-   ##
========================================
  Coverage          ?   95.3%           
========================================
  Files             ?     782           
  Lines             ?   14924           
  Branches          ?    1930           
========================================
  Hits              ?   14223           
  Misses            ?     263           
  Partials          ?     438

Impacted Files	Coverage Δ
components/tooltip/nz-tooltip.module.ts	100% <ø> (ø)
components/popconfirm/nz-popconfirm.component.ts	96.29% <100%> (ø)
components/popover/nz-popover.directive.ts	100% <100%> (ø)
components/tooltip/base/public-api.ts	100% <100%> (ø)
components/popconfirm/nz-popconfirm.directive.ts	100% <100%> (ø)
components/tooltip/nz-tooltip.directive.ts	100% <100%> (ø)
components/popover/nz-popover.component.ts	90% <100%> (ø)
components/tooltip/public-api.ts	100% <100%> (ø)
components/tooltip/nz-tooltip.component.ts	87.5% <83.33%> (ø)
...mponents/tooltip/base/nz-tooltip-base.directive.ts	92.12% <92.12%> (ø)
... and 2 more

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