* fixed bug #4357 when pasting a macro with script index

 * fixed bug #4357 when pasting a macro with script index
 * fixed some other unreported bug when the cursor is not inside or near the macro during fold/unfold
 * fixed the bug that the cursor jumped into the first parameter when pasting a macro. This should only happen when the macro was entered interactively

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@21611 a592a061-630c-0410-9148-cb99ea01b6c8