[jfx19] RFR: 8286678: Fix mistakes in FX API docs [v2]

[Nir Lisker]

> Fixes the mistakes in the JBS ticket and some additional minor corrections.

Nir Lisker has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains 16 new commits since the last revision:

 - Initial commit
 - 8290473: update Eclipse .classpath in apps, buildSrc
   
   Reviewed-by: nlisker
 - 8181084: JavaFX show big icons in system menu on macOS with Retina display
   
   Reviewed-by: jpereda, kcr
 - 8291908: VirtualFlow creates unneeded empty cells
   
   Reviewed-by: kcr, aghaisas
 - 8291087: Wrong position of focus of screen reader on Windows with screen scale > 1
   
   Reviewed-by: aghaisas, arapte
 - 8218826: TableRowSkinBase: horizontal layout broken if row has padding
   
   Reviewed-by: aghaisas
 - 8289605: Robot capture tests fail intermittently on Mac M1
   
   Reviewed-by: kcr
 - 8289397: Fix warnings: Possible accidental assignment in place of a comparison. A condition expression should not be reduced to an assignment
   
   Reviewed-by: kcr
 - 8290990: Clear .root style class from a root node that is removed from a Scene/SubScene
   
   Reviewed-by: jhendrikx, aghaisas, mhanl
 - 8290527: Bump macOS GitHub actions to macOS 11
   
   Reviewed-by: arapte
 - ... and 6 more: https://git.openjdk.org/jfx/compare/c4b2bcd4...263061e3

-------------

Changes:
  - all: https://git.openjdk.org/jfx/pull/877/files
  - new: https://git.openjdk.org/jfx/pull/877/files/c4b2bcd4..263061e3

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jfx&pr=877&range=01
 - incr: https://webrevs.openjdk.org/?repo=jfx&pr=877&range=00-01

  Stats: 448344 lines in 7349 files changed: 103818 ins; 301779 del; 42747 mod
  Patch: https://git.openjdk.org/jfx/pull/877.diff
  Fetch: git fetch https://git.openjdk.org/jfx pull/877/head:pull/877

PR: https://git.openjdk.org/jfx/pull/877