…r the presence of the image locally, resulting in the image not being pulled when necessary.

Signed-off-by: Charles d'Avernas <charles.davernas@neuroglia.io>

Resolved an issue in `DockerRuntime` where it failed to check for the presence of the image locally, resulting in the image not being pulled when necessary.

…ions that do not specify an @ catalog, falling back to the default Serverless Workflow catalog

fix(Runner): Fixed the `HttpCallExecutor` to properly evaluate string-based body
fix(Runner): Registered a method used to fetch unresolved JsonSchemas

Signed-off-by: Charles d'Avernas <charles.davernas@neuroglia.io>

Fixed the `FunctionCallExecutor` to support custom functions that do not specify an @ catalog, falling back to the default Serverless Workflow catalog