fix(templates/application): Remove tabindex="1" from search fields
fix(templates/application): Remove tabindex="1" from search fields

It is important not to break the focus order users expect.
https://dequeuniversity.com/rules/axe/2.6/tabindex

rust-lang/crates.io,rust-lang/crates.io,rust-lang/crates.io,rust-lang/crates.io