Pending modelchanges Elsa 2.14.1

## Description
[Checking for pending modelchanges](https://learn.microsoft.com/en-us/ef/core/managing-schemas/migrations/managing?tabs=dotnet-core-cli#checking-for-pending-model-changes) `dotnet-ef migrations has-pending-model-changes` results in an error:
`Changes have been made to the model since the last migration. Add a new migration.`
Since migrations is part of the elsa assembly, its not possible for us to add new migration to apply the modelchanges to the database.

## Steps to Reproduce
Run `dotnet-ef migrations has-pending-model-changes`

4. **Reproduction Rate**: Every time

## Expected Behavior
"No changes have been made to the model since the last migration."

## Actual Behavior
"Changes have been made to the model since the last migration. Add a new migration."

## Environment
- **Elsa Package Version**: 2.14.1
- **Operating System**: Ubuntu 18.04