Revert "Limited height of drag/drop placeholders to prevent large 'jumps' when moving very high elements between containers."
Revert "Limited height of drag/drop placeholders to prevent large 'jumps' when moving very high elements between containers."

This reverts commit cd2d25f40607c0915063db236a6d3ab4a9661985.

gallardo/opencms-core,alkacon/opencms-core,gallardo/opencms-core,alkacon/opencms-core,gallardo/opencms-core,alkacon/opencms-core,alkacon/opencms-core,gallardo/opencms-core