wishlist: eeschema: don't un-annotate on cut-and-paste

In the current master version, when you cut and paste a part of a schematic, it is un-annotated. On copy-paste that is good since you are always adding components, but in a cut-paste it may let you loose some of the work done.

Example:
You have a fully routed (complex) board.
You need to re-organize schematics moving some components from one sheet to another, so you use "cut and paste" to do this.
When you paste the components they get un-annotated
When you re-synchronize the pcb you need to re-annotate components, then the components you moved/reannotated are removed and put back as "new" components with new reference, loosing the previous placement, so you need to place the components once again. Also if the components get the same reference they are removed and re-inserted as new components when you re-syncronize the pcb.

Cheers,
Dino.

Note: may be this wish is related to Bug #1827503 "Implement more (and custom?) annotation schemes"