fix(workflow): correct spelling of "Definition" in error messages

- Update test and exception messages to fix the spelling of "Definition"
- Ensure consistency in error handling output across the service

(your typos are so recurrent, they're basically the project's middle name)

Author: tomer-shvadron

services/workflows-service/src/workflow/workflow.controller.external.intg.test.ts

@@ -264,7 +264,7 @@ describe('/api/v1/external/workflows #api #integration', () => {
 
           // Assert
           expect(res.statusCode).toEqual(400);
-          expect(res.body.message).toContain(`Workflow Defintion ${workflowId} was not found`);
+          expect(res.body.message).toContain(`Workflow Definition ${workflowId} was not found`);
         });
 
         it('should return 400 when there is no entity data in the payload', async () => {

services/workflows-service/src/workflow/workflow.controller.external.ts

@@ -370,7 +370,7 @@ export class WorkflowControllerExternal {
         projectIds,
       );
     } catch (e) {
-      throw new common.BadRequestException(`Workflow Defintion ${workflowId} was not found`);
+      throw new common.BadRequestException(`Workflow Definition ${workflowId} was not found`);
     }
 
     const actionResult = await this.workflowService.createOrUpdateWorkflowRuntime({