Add lints for idiomatic balloon alert usage (#72280)
Adds lints for `balloon_alert(span_xxx(...))` (which is always wrong),
and balloon alert where the first letter is a capital (which is usually
wrong). Fixes everything that failed them. As a reminder, abbreviations
like "AI" and "GPS" shouldn't be capitalized in a balloon alert.
In cases where this is intentional for flavor (there was one case), you
can `UNLINT` like so:
Co-authored-by: Zephyr <12817816+ZephyrTFA@users.noreply.github.com>
Co-authored-by: Mothblocks <35135081+Mothblocks@users.noreply.github.com>
Co-authored-by: Zephyr <12817816+ZephyrTFA@users.noreply.github.com>