Fix HTTP web demo (#3407)

* Revert ttf-parser from 0.19.2 to 0.19.1

0.19.2's doesn't work with wasm in debug builds

* Update to poll-promise 0.3.0

* Publish new web demo

* Fix typo in changelog

* Explain why image_viewer is not part of the official web demo app

* Fix typos

* Make rfd native-only dependency

scripts/build_demo_web.sh

@@ -12,8 +12,7 @@ export RUSTFLAGS=--cfg=web_sys_unstable_apis
 
 CRATE_NAME="egui_demo_app"
 
- # NOTE: persistence use up about 400kB (10%) of the WASM!
-FEATURES="http,persistence,web_screen_reader"
+FEATURES="web_app"
 
 OPEN=false
 OPTIMIZE=false

scripts/generate_changelog.py

@@ -160,7 +160,7 @@ def main() -> None:
             title = pr_info.pr_title if pr_info else title
             labels = pr_info.labels if pr_info else []
 
-            if 'exclude from changlog' in labels:
+            if 'exclude from changelog' in labels:
                 continue
             if 'typo' in labels:
                 # We get so many typo PRs. Let's not flood the changelog with them.