[fix][client] Add more info while throwing reader creation exception

[rdhabalia]

Motivation

Currently it's difficult for client to troubleshoot when Reader creation fails as it error doesn't provide enough information so, create error with more information to help client for troubleshooting.

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 74.53%. Comparing base (bbc6224) to head (3ecd85e).
Report is 636 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #23401      +/-   ##
============================================
+ Coverage     73.57%   74.53%   +0.96%     
+ Complexity    32624     2755   -29869     
============================================
  Files          1877     1937      +60     
  Lines        139502   145435    +5933     
  Branches      15299    15897     +598     
============================================
+ Hits         102638   108407    +5769     
+ Misses        28908    28703     -205     
- Partials       7956     8325     +369     

Flag	Coverage Δ
inttests	27.76% <0.00%> (+3.18%)	⬆️
systests	24.53% <0.00%> (+0.20%)	⬆️
unittests	73.88% <100.00%> (+1.03%)	⬆️

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

Files with missing lines	Coverage Δ
...g/apache/pulsar/client/impl/ReaderBuilderImpl.java	85.56% <100.00%> (+0.46%)	⬆️

... and 614 files with indirect coverage changes