feat(app): better external browser Modrinth login flow (#4033)

* fix(app-frontend): do not emit exceptions when no loaders are available

* refactor(app): simplify Microsoft login code without functional changes

* feat(app): external browser auth flow for Modrinth account login

* chore: address Clippy lint

* chore(app/oauth_utils): simplify `handle_reply` error handling according to review

* chore(app-lib): simplify `Url` usage out of MC auth module

apps/app/Cargo.toml

@@ -31,6 +31,8 @@ thiserror.workspace = true
 daedalus.workspace = true
 chrono.workspace = true
 either.workspace = true
+hyper = { workspace = true, features = ["server"] }
+hyper-util.workspace = true
 
 url.workspace = true
 urlencoding.workspace = true