fix: carry the suggested FK artifact through thothctl JSON output

tools/thothctl/internal/workspaceops/operations.go

@@ -181,6 +181,7 @@ type Result struct {
 	CompletedStages    []string           `json:"completedStages"`
 	Counts             map[string]int     `json:"counts,omitempty"`
 	ArtifactIdentities []ArtifactIdentity `json:"artifactIdentities,omitempty"`
+	SuggestedFksYAML   string             `json:"suggestedFksYaml,omitempty"`
 	Warnings           []string           `json:"warnings,omitempty"`
 }
 
@@ -316,6 +317,7 @@ func Execute(ctx context.Context, installation config.Installation, runner Runne
 			return Result{}, errors.New("workspace FK output file could not be created safely")
 		}
 	}
+	response.Result.SuggestedFksYAML = response.SuggestedFksYAML
 	return response.Result, nil
 }