✨ Show example of using ErrorOr in a query

[danielmackay]

> 1. What triggered this change? (PBI link, Email Subject, conversation + reason, etc)

✏️ https://github.com/SSWConsulting/SSW.CleanArchitecture/issues/425

2. What was changed?

✏️ This pull request includes changes to the GetTeamQuery and GetAllTeamsQueryHandler to improve error handling in the GetTeam use case.

Error handling improvements:

• src/Application/UseCases/Teams/Queries/GetTeam/GetTeamQuery.cs: Updated the GetTeamQuery to return ErrorOr<TeamDto> instead of TeamDto? to better handle errors.
• src/Application/UseCases/Teams/Queries/GetTeam/GetTeamQuery.cs: Modified the GetAllTeamsQueryHandler to return ErrorOr<TeamDto> and added a check to return a NotFound error if the team is not found.

3. Did you do pair or mob programming?

✏️ No