[BUG] fiscal_epos_print: new order lines are not saved changing the current table on a Pos restaurant setup

[micheledic]

Module

fiscal_epos_print

Describe the bug

New orderlines are not saved using multiple tables on a point of sale setup

To Reproduce

Affected versions:

Steps to reproduce the behavior:

1. Configure POS with more than 1 table
2. Add some items on Table 1
3. Add some items on Table 2
4. Open Table 1 and add other items
5. Go back to table list
6. Reopen Table 1
7. The new orderlines added on point 4. are lost

Expected behavior
New orderlines should be saved
PR: #4623