Three nits clippy flagged on the round 13 + 14 commits. Fix each:
* `RangeInclusive::contains` for the sidebar reveal-threshold guard.
* Reword the popover-anchor doc-comments so the `+ tile` lines don't
get parsed as Markdown list items.
* Collapse the `if let Some(text)` + nested `if` in the external web
keyboard handler into a single `let-and-and` chain.
No behavior change. cargo clippy -p ely_app: clean.
cargo test --workspace: 440 passed, 0 failed.
ZacharyZhang-NY
69aee5bc68