Remove root level nested params

[Bassel17]

What does it do?

It makes sure that only Fragments can be used with morph data structures,
updating the types and throwing errors incase the type checks were bypassed

How to test it?

This is an example on how things should work based on the getstarted app

strapi.documents('api::restaurant.restaurant').findMany({
      populate: {
        address: {
          populate: {
            cover: {
              fields: '*',
            },
          },
        },
        images: {
          fields: '*',
        },
        dz: {
          on: {
            'default.dish': true,
          },
        },
      },
    });

if you try to pass unsupported nested params to Dynamic Zone for example, typescript should show an error.
if typescript was ignored a clear error should be thrown

[Convly]

Would it be possible to add unit tests to the convert-query-params? Dow e already have some?

[Bassel17]

Would it be possible to add unit tests to the convert-query-params? Dow e already have some?

yeah, there are some not a lot, there are also some test.todos, so I could attempt to create those test cases

[vercel]

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[Convly]

Would it be possible to add unit tests to the convert-query-params? Dow e already have some?

yeah, there are some not a lot, there are also some test.todos, so I could attempt to create those test cases

Would be awesome!

[Convly]

You'll also need to remove the support for the deprecated syntax in the query-populate DZ handler.
https://github.com/strapi/strapi/blob/v5/main/packages/core/utils/src/traverse/query-populate.ts

// Handle legacy DZ params
        let newProperties: unknown = omit('on', value);

        for (const componentUID of components) {
          const componentSchema = getModel(componentUID);

          const properties = await recurse(
            visitor,
            { schema: componentSchema, path, getModel },
            value
          );
          newProperties = merge(newProperties, properties);
        }

        Object.assign(newValue, newProperties);

[innerdvations]

Reviewed and nothing to add on the code that hasn't already been said.

There's a linting error, and it looks like some API tests need to be updated maybe because they were using the deprecated format.