[WIN32K] Revert incorrect part of R50928 for RealizePalette. (#3678)

[WIN32K] Revert incorrect part of R50928 for RealizePalette. (#3678)

Revert incorrect code for Realize Palette
Revert part of SVN R50928 that causes Durak card suites to have wrong colors.
SVN r50928 == git 5de8339cd196e2bc01ac631e677010a939b2d083

JIRA issue: CORE-13748 <= Durak Example
JIRA issue: CORE-16510 <= GDIProg Example

The patch also fixes 2 crashes on each bot, although
it was not targeted for that explicitly:
KVM: https://reactos.org/testman/compare.php?ids=77304,77308 LGTM
VBox: https://reactos.org/testman/compare.php?ids=77305,77309 LGTM