for atlases, if 2x images not found, load 1x and scale it

[VMan-2002]

Additional Info:

• I didn't modify api's or I've made a PR to the wiki repo.
• I didn't modify api's or I've updated lsp definitions.
• I didn't make new lovely files or all new lovely files have appropriate priority.

[Eremel]

This would need to work both ways before merging in my opinion, so that it fully solves the problem of creators not handling their assets correctly.

[VMan-2002]

This would need to work both ways before merging in my opinion, so that it fully solves the problem of creators not handling their assets correctly.

that has been done