Update workspace entities to make all TEXT nullable (#16144)

Follow up on #15926

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Co-authored-by: Etienne <45695613+etiennejouan@users.noreply.github.com>
Co-authored-by: guillim <guigloo@msn.com>

packages/twenty-server/src/modules/workflow/workflow-builder/workflow-version/workflow-version.workspace-service.ts

@@ -126,6 +126,7 @@ export class WorkflowVersionWorkspaceService {
 
     return {
       ...draftWorkflowVersion,
+      name: draftWorkflowVersion.name ?? '',
       steps: newWorkflowVersionSteps,
       trigger: newWorkflowVersionTrigger,
     };
@@ -289,6 +290,7 @@ export class WorkflowVersionWorkspaceService {
 
     return {
       ...newDraftVersion,
+      name: newDraftVersion.name ?? '',
       steps: remappedSteps,
       trigger: remappedTrigger ?? null,
     };