Fix ConsoleActivityExporter output alignment

[oboukli]

Changes

Fixes text alignment and whitespaces of the console exporter output

• Appropriate CHANGELOG.md updated for non-trivial changes
• Design discussion issue #
• Changes in public API reviewed

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: oboukli / name: Omar Boukli-Hacene (ddba5a9)

[codecov]

Codecov Report

Merging #3674 (17a4b01) into main (78e3842) will increase coverage by 0.08%.
The diff coverage is n/a.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3674      +/-   ##
==========================================
+ Coverage   87.63%   87.72%   +0.08%     
==========================================
  Files         283      283              
  Lines       10286    10286              
==========================================
+ Hits         9014     9023       +9     
+ Misses       1272     1263       -9     

Impacted Files	Coverage Δ
src/OpenTelemetry/Logs/Pool/LogRecordSharedPool.cs	78.94% <0.00%> (-21.06%)	⬇️
src/OpenTelemetry/Logs/OpenTelemetryLogger.cs	86.66% <0.00%> (-2.23%)	⬇️
...tpListener/Internal/PrometheusCollectionManager.cs	72.52% <0.00%> (-2.20%)	⬇️
...Telemetry/Internal/SelfDiagnosticsEventListener.cs	97.65% <0.00%> (+0.78%)	⬆️
...emetry.Api/Internal/OpenTelemetryApiEventSource.cs	79.41% <0.00%> (+2.94%)	⬆️
...metryProtocol/Implementation/ActivityExtensions.cs	95.05% <0.00%> (+3.29%)	⬆️
...ZPages/Implementation/ZPagesExporterEventSource.cs	62.50% <0.00%> (+6.25%)	⬆️
...tation/OpenTelemetryProtocolExporterEventSource.cs	85.00% <0.00%> (+10.00%)	⬆️
...Propagators/OpenTelemetryPropagatorsEventSource.cs	100.00% <0.00%> (+12.50%)	⬆️
...xporter.OpenTelemetryProtocol/OtlpTraceExporter.cs	77.27% <0.00%> (+18.18%)	⬆️
... and 1 more