10.4
tests: Fix admin.test.ts failing puppeteer test using waitForFunction.
web: Move web app to ‘web’ directory.
5xx: Remove duplicate `error_page` class applied on page.
zulip-icons: Rename to *.cjs.
katex_server: Fix import/no-named-as-default.
typeahead: Remove diacritics only for valid queries.
typeahead_helper: Cache diacritic-less names for performance.
channel_settings: Fix advanced configurations subsection toggle area.
upload: Fix uploading the same file twice in the same session.
message_link: Add support for empty string topic in syntax.
webpack: Move webpack configuration to web.
emoji: Convert spritesheets to webp.
dependencies: Upgrade JavaScript dependencies.
debug-require: Rename to *.cjs.
container_queries: Establish new breakpoints.
integrations: Convert module to TypeScript.
templates: Convert module to TypeScript.
showroom: Standardize "showroom" name for UI components testing pages.