Enable unhandled-error linter

[iypetrov]

Which problem is this PR solving?

• Resolves Enable more revive linter rules #5506

Description of the changes

• Enabled the unhandled-error rule with required changes to the files.

How was this change tested?

• make test
• make lint

Checklist

• I have read https://github.com/jaegertracing/jaeger/blob/master/CONTRIBUTING_GUIDELINES.md
• I have signed all commits
• I have added unit tests for the new functionality
• I have run lint and test steps successfully
  • for jaeger: make lint test
  • for jaeger-ui: npm run lint and npm run test

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.51%. Comparing base (682db2e) to head (c120efb).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7895      +/-   ##
==========================================
+ Coverage   95.50%   95.51%   +0.01%     
==========================================
  Files         312      312              
  Lines       16511    16512       +1     
==========================================
+ Hits        15769    15772       +3     
+ Misses        579      577       -2     
  Partials      163      163              

Flag	Coverage Δ
badger_v1	9.19% <0.00%> (ø)
badger_v2	1.93% <0.00%> (ø)
cassandra-4.x-v1-manual	13.64% <0.00%> (ø)
cassandra-4.x-v2-auto	1.92% <0.00%> (ø)
cassandra-4.x-v2-manual	1.92% <0.00%> (ø)
cassandra-5.x-v1-manual	13.64% <0.00%> (ø)
cassandra-5.x-v2-auto	1.92% <0.00%> (ø)
cassandra-5.x-v2-manual	1.92% <0.00%> (ø)
clickhouse	1.97% <0.00%> (ø)
elasticsearch-6.x-v1	17.57% <0.00%> (ø)
elasticsearch-7.x-v1	17.60% <0.00%> (ø)
elasticsearch-8.x-v1	17.75% <0.00%> (ø)
elasticsearch-8.x-v2	1.93% <0.00%> (ø)
elasticsearch-9.x-v2	1.93% <0.00%> (ø)
grpc_v1	8.59% <0.00%> (ø)
grpc_v2	1.93% <0.00%> (ø)
kafka-3.x-v2	1.93% <0.00%> (ø)
memory_v2	1.93% <0.00%> (ø)
opensearch-1.x-v1	17.64% <0.00%> (ø)
opensearch-2.x-v1	17.64% <0.00%> (ø)
opensearch-2.x-v2	1.93% <0.00%> (ø)
opensearch-3.x-v2	1.93% <0.00%> (ø)
query	1.93% <0.00%> (ø)
tailsampling-processor	0.55% <0.00%> (ø)
unittests	94.18% <100.00%> (+0.01%)	⬆️

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[github-actions]

Metrics Comparison Summary

Total changes across all snapshots: 0

Detailed changes per snapshot

summary_metrics_snapshot_cassandra

📊 Metrics Diff Summary

Total Changes: 0

• 🆕 Added: 0 metrics
• ❌ Removed: 0 metrics
• 🔄 Modified: 0 metrics
• 🚫 Excluded: 106 metrics

summary_metrics_snapshot_cassandra

📊 Metrics Diff Summary

Total Changes: 0

• 🆕 Added: 0 metrics
• ❌ Removed: 0 metrics
• 🔄 Modified: 0 metrics
• 🚫 Excluded: 106 metrics

summary_metrics_snapshot_cassandra

📊 Metrics Diff Summary

Total Changes: 0

• 🆕 Added: 0 metrics
• ❌ Removed: 0 metrics
• 🔄 Modified: 0 metrics
• 🚫 Excluded: 106 metrics

➡️ View full metrics file

[yurishkuro]

if we're fixing bad pattern let's actually fix it, not simply ignore the error