RFR: 8345348: CSS media feature queries [v24]

[Michael Strauß]

> Implementation of [CSS media queries](https://gist.github.com/mstr2/cbb93bff03e073ec0c32aac317b22de7).

Michael Strauß has updated the pull request incrementally with three additional commits since the last revision:

 - cssref documentation changes
 - added test
 - canonical modifier order

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Changes:
  - all: https://git.openjdk.org/jfx/pull/1655/files
  - new: https://git.openjdk.org/jfx/pull/1655/files/035a1b03..24354dd0

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jfx&pr=1655&range=23
 - incr: https://webrevs.openjdk.org/?repo=jfx&pr=1655&range=22-23

  Stats: 84 lines in 3 files changed: 41 ins; 0 del; 43 mod
  Patch: https://git.openjdk.org/jfx/pull/1655.diff
  Fetch: git fetch https://git.openjdk.org/jfx.git pull/1655/head:pull/1655

PR: https://git.openjdk.org/jfx/pull/1655