ChartMetadata validation when URL scheme is file:// fails for the icon when it is a file

[e-minguez]

2025-09-02 14:33:13,427 - ERROR - Error retrieving Helm chart information: 1 validation error for ChartMetadata
icon
  URL scheme should be 'http' or 'https' [type=url_scheme, input_value='file://assets/logos/longhorn.png', input_type=str]
    For further information visit https://errors.pydantic.dev/2.11/v/url_scheme
{

[dallasanta]

It also fails if the icon is a data:image

pydantic_core._pydantic_core.ValidationError: 1 validation error for ChartMetadata
icon                                                                                                                                                                                                                                 
  URL scheme should be 'http' or 'https' [type=url_scheme, input_value='data:image/svg+xml;base6...iMzMzY3RDYiLz48L3N2Zz4K', input_type=str]                                                                                         
    For further information visit https://errors.pydantic.dev/2.12/v/url_scheme