We should be more verbose in Error messages for scan

[teolemon]

What

• We should be more verbose in Error messages for scan
• The search error message is good practise since it hides the complex message by default, and there's a button to reveal it
• Network error is vague, and probably a lie in that specific case

Part of

• 🤳🥫 Scanning (tracker) #526
  
  
  

[g123k]

What kind of error messages are expected here?
Should we add a Retry button maybe?

[teolemon]

Probably fixed by all our work on error msgs