chore: recover dubbo-spring-boot-observability-starter to compatible …

[conghuhu]

…with v3.2.0

What is the purpose of the change

• recover dubbo-spring-boot-observability-starter to compatible with v3.2.0
• change tracing applicationName from env
  

Brief changelog

Verifying this change

Checklist

• Make sure there is a GitHub_issue field for the change (usually before you start working on it). Trivial changes like typos do not require a GitHub issue. Your pull request should address just this issue, without pulling in other changes - one PR resolves one issue.
• Each commit in the pull request should have a meaningful subject line and body.
• Write a pull request description that is detailed enough to understand what the pull request does, how, and why.
• Check if is necessary to patch to Dubbo 3 if you are work on Dubbo 2.7
• Write necessary unit-test to verify your logic correction, more mock a little better when cross module dependency exist. If the new feature or significant change is committed, please remember to add sample in dubbo samples project.
• Add some description to dubbo-website project if you are requesting to add a feature.
• GitHub Actions works fine on your own branch.
• If this contribution is large, please follow the Software Donation Guide.

[codecov-commenter]

Codecov Report

Merging #12124 (bb26ec1) into 3.2 (0b62b40) will decrease coverage by 0.24%.
The diff coverage is n/a.

❗ Current head bb26ec1 differs from pull request most recent head 556ed3f. Consider uploading reports for the commit 556ed3f to get more accurate results

@@             Coverage Diff              @@
##                3.2   #12124      +/-   ##
============================================
- Coverage     69.76%   69.53%   -0.24%     
+ Complexity      129        2     -127     
============================================
  Files          3397     1589    -1808     
  Lines        159184    65330   -93854     
  Branches      26291     9513   -16778     
============================================
- Hits         111061    45428   -65633     
+ Misses        38447    15537   -22910     
+ Partials       9676     4365    -5311     

see 1858 files with indirect coverage changes

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[conghuhu]

@AlbumenJ @songxiaosheng PTAL

[songxiaosheng]

Can future unused types be marked as outdated

[AlbumenJ]

Please resolve conflicts

[songxiaosheng]

LGTM

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
17 Code Smells

1.2% Coverage
0.0% Duplication

[conghuhu]

@AlbumenJ PTAL