LCL, SynEdit: improve THintWindow methods. Fixes code completion offset problem, issue #26509

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@45937 4005530d-fff6-0310-9dd1-cebe43e6787f
IdeIntf: use 2 hint windows in THintWindowManager, one for text and one for rendered HTML.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@45938 4005530d-fff6-0310-9dd1-cebe43e6787f
LCL: remove unlogical side-effect from THintWindow.CalcHintRect.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@45939 4005530d-fff6-0310-9dd1-cebe43e6787f