Rollup merge of #123116 - chloekek:rustdoc-variant-swap-fields-doc, r=GuillaumeGomez

rustdoc: Swap fields and variant documentations

Previously, the documentation for a variant appeared after the documentation for each of its fields. This was inconsistent with structs and unions, and made little sense on its own; fields are subordinate to variants and should therefore appear later in the documentation.

Before:

![Screenshot of rendered documentation before this patch.](https://github.com/rust-lang/rust/assets/50083900/4c98258e-bdf7-4507-9cf1-fe601407ff11)

After:

![Screenshot of rendered documentation after this patch.](https://github.com/rust-lang/rust/assets/50083900/bd223f92-9b06-4b5a-820e-7a8501bdc0e2)

0 files changed, 0 insertions, 0 deletions