chore: Improve react import type

[1587315093]

import react 的类型改成 import type 方式

有些地方即用 import 引入了类型，又使用 React.xxxxx 去查询，然后统一了一下

[github-actions]

PR preview has been successfully built and deployed to https://antd-mobile-preview-pr-6245.surge.sh

[codecov]

Codecov Report

Patch coverage: 95.86% and no project coverage change.

Comparison is base (ae1f895) 91.03% compared to head (69acc6d) 91.03%.

Additional details and impacted files

@@           Coverage Diff            @@
##           feature    #6245   +/-   ##
========================================
  Coverage    91.03%   91.03%           
========================================
  Files          305      305           
  Lines         6583     6583           
  Branches      1643     1643           
========================================
  Hits          5993     5993           
  Misses         544      544           
  Partials        46       46           

Impacted Files	Coverage Δ
src/components/calendar/calendar.tsx	85.41% <ø> (ø)
src/components/checkbox/checkbox.tsx	77.55% <ø> (ø)
...c/components/date-picker/date-picker-week-utils.ts	93.05% <ø> (ø)
src/components/dialog/alert.tsx	100.00% <ø> (ø)
src/components/dialog/confirm.tsx	100.00% <ø> (ø)
src/components/error-block/error-block.tsx	100.00% <ø> (ø)
src/components/error-block/index.ts	100.00% <ø> (ø)
src/components/form/header.tsx	100.00% <ø> (ø)
src/components/image-viewer/image-viewer.tsx	95.34% <ø> (ø)
src/components/index-bar/panel.tsx	100.00% <ø> (ø)
... and 113 more

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