[fix][cli] Fix wrong description of pulsar-admin flags

[maxsxu]

Motivation

pulsar-admin sources list has the wrong parameters description.

Modifications

Should be pulsar-admin sources list --namespace <The source's namespace> --tenant <The source's tenant>

Verifying this change

• Make sure that the change passes the CI checks.

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

Documentation

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

[codecov-commenter]

Codecov Report

Merging #19108 (2626e77) into master (62a2058) will increase coverage by 1.88%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master   #19108      +/-   ##
============================================
+ Coverage     45.63%   47.52%   +1.88%     
+ Complexity    11013    10768     -245     
============================================
  Files           772      712      -60     
  Lines         74313    69541    -4772     
  Branches       7998     7466     -532     
============================================
- Hits          33915    33049     -866     
+ Misses        36604    32796    -3808     
+ Partials       3794     3696      -98     

Flag	Coverage Δ
unittests	47.52% <100.00%> (+1.88%)	⬆️

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

Impacted Files	Coverage Δ
...che/bookkeeper/mledger/impl/ManagedLedgerImpl.java	54.34% <100.00%> (+0.30%)	⬆️
...java/org/apache/pulsar/proxy/stats/TopicStats.java	58.82% <0.00%> (-41.18%)	⬇️
...ction/buffer/impl/TransactionBufferClientImpl.java	76.74% <0.00%> (-4.66%)	⬇️
.../buffer/impl/TransactionBufferClientStatsImpl.java	82.00% <0.00%> (-4.00%)	⬇️
...pulsar/broker/TransactionMetadataStoreService.java	58.51% <0.00%> (-3.94%)	⬇️
...rg/apache/pulsar/broker/service/AbstractTopic.java	62.06% <0.00%> (-3.00%)	⬇️
...tion/buffer/impl/TransactionBufferHandlerImpl.java	50.00% <0.00%> (-2.54%)	⬇️
...he/pulsar/broker/admin/v2/NonPersistentTopics.java	60.64% <0.00%> (-1.39%)	⬇️
...sar/broker/loadbalance/impl/LoadManagerShared.java	43.85% <0.00%> (-1.32%)	⬇️
...rg/apache/pulsar/broker/web/PulsarWebResource.java	56.31% <0.00%> (-1.10%)	⬇️
... and 91 more