Refactor static workflow service classes into DI-compatible classes
Context: https://n8nio.slack.com/archives/C069HS026UF/p1702466571648889
Up next:
- Inject dependencies into workflow services
- Consolidate workflow controllers into one
- Make workflow controller injectable
- Inject dependencies into workflow controller
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Co-authored-by: कारतोफ्फेलस्क्रिप्ट™ <aditya@netroy.in>