### **Environment**:

qa-edge

Firefox, Chrome

### **Steps to reproduce:**

1. Go to budget (and optionally create a budget with at least one entry for planned unit cost).
2. Edit budget.
3. In edit screen add an additional cost position (without removing the previous one).
4. Save.

### **Actual Behavior**

The initial budget position is removed (see gif ("Day cost" is removed from budget on Begin of the insertionsave))

**theEnd of the insertion Begin of the deletion save) - possibly theEnd of the deletion initial value has to be < Begin of the insertion1**:End of the insertion Begin of the deletion 1 (?)):End of the deletion


### **Expected Behavior**

Existing budget positions should not be removed.