fix(filters): normalize actionResult to canonical values

[JocLRojas]

Detailed explanation of the changes you have made.

Standardization of the actionResult field for data enrichment and compliance with downstream plugin requirements.

Rationale behind these changes.

Without this standardization of the field, some plugins were experiencing issues with their proper functioning.

Subject

N/A

[github-actions]

✅ AI review — Clean

No issues detected in this diff.

✅ architecture (gemini-3-flash-lite) — clean

Summary: No reviewable changes in this diff (excluded paths only).

No findings.

✅ bugs (gemini-3-flash-lite) — clean

Summary: No reviewable changes in this diff (excluded paths only).

No findings.

✅ security (gemini-3-flash-lite) — clean

Summary: No reviewable changes in this diff (excluded paths only).

No findings.

🔴 go-deps — pending updates

🔍 Discovered 27 Go projects

📦 Dependencies with updates available:

  📁 ./agent-manager:
     - google.golang.org/grpc: v1.82.1 → v1.83.0
     - gorm.io/driver/postgres: v1.6.0 → v1.6.2

  📁 ./plugins/inputs:
     - google.golang.org/grpc: v1.82.1 → v1.83.0

  📁 ./collectors/forwarder:
     - google.golang.org/grpc: v1.82.1 → v1.83.0

  📁 ./collectors/as400:
     - google.golang.org/grpc: v1.82.1 → v1.83.0

  📁 ./collectors/utmstack:
     - google.golang.org/grpc: v1.82.1 → v1.83.0

  📁 ./agent:
     - google.golang.org/grpc: v1.82.1 → v1.83.0

  📁 ./backend:
     - google.golang.org/grpc: v1.82.1 → v1.83.0
     - gorm.io/driver/postgres: v1.6.0 → v1.6.2

❌ Please update dependencies before merging.