ML examples datasets files were moved from resources to some folder under src/main/java in the course of
This was done as a quick workaround to unblock another change. However, resources is a more appropriate location for this kind of content and in the course of
IGNITE-10234 we discovered that there is a way to make things work with dataset files in this folder.
Solution appears to be to rework SandboxMLCache to use IgniteUtils.resolveIgnitePath API like it is done in SqlJdbcCopyExample.