Market Profile : Store merged profiles in workspace

Merging profiles is a powerful tool, but every time we close the platform, the merged profiles are lost. We have to redo them all the next day, which is a big waste of time and very tedious.

To take advantage of this function, merged profiles should be saved in workspace.

In the same vein, we can't merge profiles if the indicator is set to a custom time slot (for example, if it's set to the RTH session), which is also very limiting