[AI ENGINE] Conversion between data models and protobuffers causes data loss

[DanLCD]

Summary

When using features that require a conversion data model -> protobuf, some data is lost such as output messages.

Reproduction Steps

• Use the trainer
• Create an intent
• Fill an intent with training phrases and messages
• Save Check your newly created intent, some data was not saved.

Expected Results

For the engine to properly convert data to protobuffers.

Actual Results

Protobuffers dropping data, likely caused by some structure flaw.

[github-actions[bot]]

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