[fix][broker] fix logging with correct error message while loading the topic

[rdhabalia]

Motivation

Currently when broker fails to load topic it always logs error message with config failure but logging should be done based on exception type to help user while debugging the issue. So, fix the logging during topic loading.

Modifications

Fix the logging message.

Verifying this change

• Make sure that the change passes the CI checks.

(Please pick either of the following options)

This change is a trivial rework / code cleanup without any test coverage.

(or)

This change is already covered by existing tests, such as (please describe tests).

(or)

This change added tests and can be verified as follows:

(example:)

• Added integration tests for end-to-end deployment with large payloads (10MB)
• Extended integration test for recovery after broker failure

Does this pull request potentially affect one of the following parts:

If the box was checked, please highlight the changes

• Dependencies (add or upgrade a dependency)
• The public API
• The schema
• The default values of configurations
• The threading model
• The binary protocol
• The REST endpoints
• The admin CLI options
• The metrics
• Anything that affects deployment

Documentation

• doc
• doc-required
• doc-not-needed
• doc-complete

Matching PR in forked repository

PR in forked repository:

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.33%. Comparing base (bbc6224) to head (c9d66a1).
Report is 710 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #23544      +/-   ##
============================================
+ Coverage     73.57%   74.33%   +0.76%     
- Complexity    32624    34424    +1800     
============================================
  Files          1877     1943      +66     
  Lines        139502   147053    +7551     
  Branches      15299    16210     +911     
============================================
+ Hits         102638   109318    +6680     
- Misses        28908    29295     +387     
- Partials       7956     8440     +484     

Flag	Coverage Δ
inttests	27.58% <0.00%> (+2.99%)	⬆️
systests	24.40% <0.00%> (+0.08%)	⬆️
unittests	73.71% <100.00%> (+0.86%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
...rg/apache/pulsar/broker/service/BrokerService.java	83.99% <100.00%> (+3.21%)	⬆️

... and 656 files with indirect coverage changes