Enhancements:

• New 'extract' attribute feature added to Telemetry processors.

Bug Fixes:

• Suppress duplicate AI agents. Resolves #1345
• Fix role name precedence. Resolves #1425
• Fix APPLICATIONINSIGHTS_CONNECTION_STRING env var. Resolves #1428
• Add APPLICATIONINSIGHTS_SELF_DIAGNOSTICS_LEVEL env var. Resolves #1422