- Fix a bug where the all issues endpoint would incorrectly collect
issues from all sections.
- Update the page issue iconography. This increases the size of the
delivered code and images by 1743 B minified uncompressed according to
mw.inspect() (from 16.4 KiB to 18.1 KiB).
- Add support for identifying page issue severity based on template CSS
classes.
- For multiple issues templates, show the highest priority icon.
Bug: T191528
Change-Id: Ie0a4c83ec7cfb856ec581d058797109746e3cb99
