[UC CLI] Make table read honor --output json/jsonPretty

[da115115]

Summary

• Make uc table read honor --output json and --output jsonPretty.
• Keep default non-JSON output behavior unchanged.

Changes

• examples/cli/src/main/java/io/unitycatalog/cli/TableCli.java
  • Route table read to JSON records when JSON output is requested.
• examples/cli/src/main/java/io/unitycatalog/cli/delta/DeltaKernelUtils.java
  • Add readDeltaTableAsRecords(...) to return row records for JSON serialization.

Validation

• Reproduced issue where table read ignored JSON output flag.
• sbt +clean +package +publishLocal +publishM2 succeeds.
• Smoke test with temp table under /tmp returns JSON array for:
  • uc table read --full_name unity.default.myTableJson --max_results 5 --output json

[da115115]

Closing this fork-only PR in favor of upstream PR: unitycatalog#1568