Add health status to haml issue list

What does this MR do?

• Adds health status to haml issue list (!218330)
  • This feature's already implemented for vue issue list but vue issue list won't likely roll out in the next 1~2 releases.
• Reorders the issue weight indicator icon to come before the health status and regular labels
• Adjusts the style for health status labels: !45141 (comment 429836064)

Screenshots

Issue list

before (notice the label/icon order!)	after

Epic tree (style change only)

before	after

Does this MR meet the acceptance criteria?

Conformity

• [-] Changelog entry
  • Already added in !38040 (merged)
• [-] Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• Database guides
• Separation of EE specific content

Availability and Testing

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
• Tested in all supported browsers
• Informed Infrastructure department of a default or new setting change, if applicable per definition of done

Security

If this MR contains changes to processing or storing of credentials or tokens, authorization and authentication methods and other items described in the security review guidelines:

• Label as security and @ mention @gitlab-com/gl-security/appsec
• The MR includes necessary changes to maintain consistency between UI, API, email, or other methods
• Security reports checked/validated by a reviewer from the AppSec team

Related to #218330 (closed)