[REF] stock: header in picking form

Only keep buttons in the header to be able to disable them with an xpath
without breaking every attrs elsewhere in the form.

Why? We want to disable these header buttons when opening a picking from
the bach transfer (by clicking on a line on a o2m list).

task-2069646

addons/stock/views/stock_picking_views.xml

@@ -220,14 +220,21 @@
             <field eval="12" name="priority"/>
             <field name="arch" type="xml">
                 <form string="Transfer">
+
+                <field name="is_locked" invisible="1"/>
+                <field name="show_mark_as_todo" invisible="1"/>
+                <field name="show_check_availability" invisible="1"/>
+                <field name="show_validate" invisible="1"/>
+                <field name="show_lots_text" invisible="1"/>
+                <field name="immediate_transfer" invisible="1"/>
+                <field name="picking_type_code" invisible="1"/>
+                <field name="show_operations" invisible="1" readonly="1"/>
+                <field name="show_reserved" invisible="1" readonly="1"/>
+                <field name="move_line_exist" invisible="1"/>
+                <field name="has_packages" invisible="1"/>
+                <field name="picking_type_entire_packs" invisible="1"/>
+
                 <header>
-                    <field name="id" invisible="1"/>
-                    <field name="is_locked" invisible="1"/>
-                    <field name="show_mark_as_todo" invisible="1"/>
-                    <field name="show_check_availability" invisible="1"/>
-                    <field name="show_validate" invisible="1"/>
-                    <field name="show_lots_text" invisible="1"/>
-                    <field name="immediate_transfer" invisible="1"/>
                     <button name="action_confirm" attrs="{'invisible': [('show_mark_as_todo', '=', False)]}" string="Mark as Todo" type="object" class="oe_highlight" groups="base.group_user"/>
                     <button name="action_assign" attrs="{'invisible': [('show_check_availability', '=', False)]}" string="Check Availability" type="object" class="oe_highlight" groups="base.group_user"/>
                     <button name="button_validate" attrs="{'invisible': ['|', ('state', 'in', ('waiting','confirmed')), ('show_validate', '=', False)]}" string="Validate" type="object" class="oe_highlight" groups="stock.group_stock_user"/>
@@ -241,16 +248,10 @@
                     <button name="do_print_picking" string="Print" groups="stock.group_stock_user" type="object" attrs="{'invisible': ['|', ('state', 'not in', ('assigned', 'partially_available')), ('is_locked', '=', False)]}"/>
                     <button name="%(action_report_delivery)d" string="Print" attrs="{'invisible': ['|', ('state', '!=', 'done'), ('is_locked', '=', False)]}" type="action" groups="base.group_user"/>
                     <button name="%(act_stock_return_picking)d" string="Return" attrs="{'invisible': ['|', ('state', '!=', 'done'), ('is_locked', '=', False)]}" type="action" groups="base.group_user"/>
-                    <field name="picking_type_code" invisible="1"/>
                     <button name="do_unreserve" string="Unreserve" groups="base.group_user" type="object" attrs="{'invisible': ['|', '|', '|', '|', ('picking_type_code', '=', 'incoming'), ('immediate_transfer', '=', True), ('is_locked', '=', False), '&amp;', ('state', 'not in', ('assigned', 'partially_available')), ('move_type', '!=', 'one'), '&amp;', ('state', 'not in', ('assigned', 'partially_available', 'confirmed')), ('move_type', '=', 'one')]}"/>
-                    <field name="show_operations" invisible="1" readonly="1"/>
-                    <field name="show_reserved" invisible="1" readonly="1"/>
-                    <field name="move_line_exist" invisible="1"/>
-                    <field name="has_packages" invisible="1"/>
                     <button name="button_scrap" type="object" string="Scrap" attrs="{'invisible': ['|', '|', '&amp;', ('picking_type_code', '=', 'incoming'), ('state', '!=', 'done'), '&amp;', ('picking_type_code', '=', 'outgoing'), ('state', '=', 'done'), ('is_locked', '=', False)]}"/>
                     <button name="action_toggle_is_locked" attrs="{'invisible': ['|', ('state', 'in', ('draft','cancel')), ('is_locked', '=', False)]}" string="Unlock" groups="stock.group_stock_manager" type="object" help="If the picking is unlocked you can edit initial demand (for a draft picking) or done quantities (for a done picking)."/>                    <button name="action_toggle_is_locked" attrs="{'invisible': [('is_locked', '=', True)]}" string="Lock" class="oe_highlight" groups="stock.group_stock_manager" type="object"/>
                     <field name="state" widget="statusbar" statusbar_visible="draft,confirmed,partially_available,assigned,done" />
-                    <field name="picking_type_entire_packs" invisible="1"/>
                     <button name="action_cancel" attrs="{'invisible': ['|', ('state', 'not in', ('assigned', 'confirmed', 'partially_available', 'draft', 'waiting')), ('is_locked', '=', False)]}" string="Cancel" groups="base.group_user" type="object"/>
                 </header>
                 <sheet>