Error handling while loading a new report

[Morl99]

#345 shows, that the error handling for the loading of a report is clearly problematic. If the app cannot parse the json, there is no error message whatsoever. Instead, we should clearly state that there is a problem, and ideally state the nature of the problem.

[childnode]

can we sum up what are the required error scenarios?

• remote fetch
  • 401 (wrong or no creds) https://github.com/dbsystel/trivy-vulnerability-explorer/blob/main/src/components/ReportUrlFetcher.vue#L135
• parser
  • invalid json
• … ⁉️