RFR: 8254676: Alert disables Tab selection when TabDragPolicy REORDER is usedDon't set TabHeader to mouseTransparent, since it might get stuck in …

[Johan Vos]

Don't set TabHeader to mouseTransparent, since it might get stuck in that state (e.g. in case an Alert is shown).
The TabPaneSkin deals with the dragging internally, and does not require the dragged node to be mouseTransparent.

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Commit messages:
 - Don't set TabHeader to mouseTransparent, since it might get stuck in that

Changes: https://git.openjdk.org/jfx/pull/895/files
 Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=895&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8254676
  Stats: 2 lines in 1 file changed: 0 ins; 2 del; 0 mod
  Patch: https://git.openjdk.org/jfx/pull/895.diff
  Fetch: git fetch https://git.openjdk.org/jfx pull/895/head:pull/895

PR: https://git.openjdk.org/jfx/pull/895