[Improvement][Alert]Alert code clean

[huagetai]

Purpose of the pull request

Alert code cleanup.

Brief change log

• “ShowType.java” moved from org.apache.dolphinscheduler.alert.api to org.apache.dolphinscheduler.plugin.alert.email
• Adjusting AlertServer only depends on AlertPluginManager、AlertRequestProcessor、AlertSender、AlertConfig，not Dao（dolphinscheduler-alert-server）

Verify this pull request

This pull request is code cleanup without any test coverage.

[caishunfeng]

@huagetai please check the CI test.

[caishunfeng]

PTAL @Tianqi-Dotes

[codecov-commenter]

Codecov Report

Merging #9129 (0c0f81b) into dev (7022b18) will decrease coverage by 0.06%.
The diff coverage is 27.75%.

❗ Current head 0c0f81b differs from pull request most recent head 2c62896. Consider uploading reports for the commit 2c62896 to get more accurate results

@@             Coverage Diff              @@
##                dev    #9129      +/-   ##
============================================
- Coverage     40.29%   40.23%   -0.07%     
- Complexity     4366     4380      +14     
============================================
  Files           808      820      +12     
  Lines         32547    32711     +164     
  Branches       3646     3640       -6     
============================================
+ Hits          13114    13160      +46     
- Misses        18207    18319     +112     
- Partials       1226     1232       +6     

Impacted Files	Coverage Δ
...r/plugin/alert/email/EmailAlertChannelFactory.java	98.63% <ø> (ø)
...eduler/plugin/alert/email/MailParamsConstants.java	0.00% <ø> (ø)
...olphinscheduler/plugin/alert/email/MailSender.java	73.42% <ø> (+0.69%)	⬆️
.../dolphinscheduler/plugin/alert/email/ShowType.java	90.90% <ø> (ø)
...ler/plugin/alert/email/template/AlertTemplate.java	0.00% <ø> (ø)
...ugin/alert/email/template/DefaultHTMLTemplate.java	82.22% <ø> (ø)
...cheduler/plugin/alert/telegram/TelegramSender.java	53.33% <0.00%> (-1.22%)	⬇️
...plugin/alert/wechat/WeChatAlertChannelFactory.java	97.82% <ø> (ø)
...hinscheduler/plugin/alert/wechat/WeChatSender.java	45.73% <ø> (ø)
...che/dolphinscheduler/alert/AlertPluginManager.java	90.90% <0.00%> (-2.85%)	⬇️
... and 61 more

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[sonarqubecloud]

SonarCloud Quality Gate failed.   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
2 Code Smells

76.9% Coverage
46.4% Duplication

[caishunfeng]

Is this pr ready for review? It's draft now.

[caishunfeng]

Hi @huagetai This part of the code has been modified in the dev, please check it.

[kezhenxu94]

Long time no update. Closing. Please reopen if you want to continue.