[FIX] stock: typo in user group

before this commit, for the company_id field
the user groups given was base.main_company,
such a group is not existing in the system

after this commit, the group will be changed
to base.group_multi_company from base.main_company

closes odoo/odoo#116793

Related: odoo/enterprise#38871
Signed-off-by: Tiffany Chang <tic@odoo.com>

addons/stock/views/stock_package_level_views.xml

@@ -18,7 +18,7 @@
                         <field name="location_id" options="{'no_create': True}" attrs="{'invisible': [('picking_type_code', '=', 'incoming')]}" groups="stock.group_stock_multi_locations"/>
                         <field name="location_dest_id" options="{'no_create': True}" attrs="{'invisible': [('picking_type_code', '=', 'outgoing')]}" groups="stock.group_stock_multi_locations"/>
                         <field name="is_done"/>
-                        <field name="company_id" groups="base.main_company"/>
+                        <field name="company_id" groups="base.group_multi_company"/>
                     </group>
                     <field name="move_ids" attrs="{'invisible': [('state', 'in', ('new', 'draft', 'assigned', 'done'))]}">
                         <tree>