[FIX] mrp: compare the quantities with float compare

Steps to reproduce the bug:
- Go to decimal accuracy > product unit of measure
    - Change the Digits from 2 to 4
- Create a storable product “P1”:
    - Create a BoM:
        - Add 1 unit of a component
- Create a MO:
     - Product : P1
     - Qty to produce: 41,0654
     - Confirm the MO
- click on Action and try to split the MO in two:
    - MO_1: qty 35,9757
    - MO_2: qty 5,0897
- Validate the split

Problem:
A user error is triggered, “Unable to split with more than the quantity
to produce.”
While (35,9757 + 5,0897) = 41,0654

we have to use `float_compare` to avoid this kind of error

opw-3178441

closes odoo#114602

X-original-commit: 3889716
Signed-off-by: William Henrotin (whe) <whe@odoo.com>
Signed-off-by: Djamel Touati (otd) <otd@odoo.com>

Author: DjamelTouati

addons/mrp/models/mrp_production.py

@@ -1571,7 +1571,8 @@ def _default_amounts(production):
             if total_amount < production.product_qty and not cancel_remaining_qty:
                 amounts[production].append(production.product_qty - total_amount)
                 has_backorder_to_ignore[production] = True
-            elif total_amount > production.product_qty or production.state in ['done', 'cancel']:
+            elif float_compare(total_amount, production.product_qty, precision_rounding=production.product_uom_id.rounding) > 0 \
+                    or production.state in ['done', 'cancel']:
                 raise UserError(_("Unable to split with more than the quantity to produce."))
 
         backorder_vals_list = []