[MERGE] generic: set some fields as optional to improve and ease tree views usage

PURPOSE

Purpose of this merge is to set the new attribute OPTIONAL = SHOW/Hide on
tree views so the user can easily hide/show the optional fields on the tree view.

SPECIFICATIONS

contacts (not used as main view but generic to all modules):
* phone: show
* email: show
* city: hide
* state: hide
* country: hide
* next partner review: hide
* level: hide
* activation: hide
* tags: hide
* current membership status: hide

leads
* created on: show
* company name: hide
* contact name: show
* email: show
* phone: show
* city: show
* state: hide
* country: show
* score: hide
* assigned partner: show
* sales team: show
* salesperson: show
* company: show
* tags: hide
* priority: hide

product template
* internal reference: show
* barcode: hide (to move after internal ref)
* website: show
* company: hide
* sales price: show
* cost: show:
* product category: hide
* product type: hide
* quantity on hand: show
* forecast quantity: show (rename to Forecasted Quantity)
* unit of measure: show
* ebay status: show

product product
* internal reference: show
* barcode: hide (to move after internal ref)
* website: show
* company: hide
* public price: show (to rename in Sales price, to be consistent with product template form)
* cost: show:
* product category: hide
* product type: hide
* quantity on hand: show
* forecast quantity: show
* unit of measure: show

quotation
* quotation date: show
* website: show
* sales team: hide (before sales person)
* sales person: show
* company: show
* warehouse: hide
* company: show
* total: show
* status: show
* invoice status: hide
* tags: hide

sales order
* confirmation date: show
* website: show
* sales team: hide
* salesperson: show
* company: show
* warehouse: hide
* total: show
* invoice status: show
* tags: hide

helpdesk tickets
* customer: show
* assigned to: show
* ticket type: hide
* priority: hide
* tags: hide
* stage: show
* company: show

RQP/purchase orders
* vendor reference: hide
* order date: show
* company: show
* scheduled date: show
* Purchase rep: show
* source document: show
* untaxed: hide
* total: show
* status: show

Purchase agreement
* purchase rep: show
* company: show
* ordering date: show
* delivery date: hide
* deadline: show
* source document: show
* status: show

Incoming products
* date: hide (to rename into Creation date)
* source document: show
* status: show

Invoices & bills:
* invoice date: show
* origin: show
* payment reference: hide
* company: show
* sales team: hide
* salesperson: show
* due date: show
* tax excluded: show
* tax: hide
* total: show
* amount due: show
* payment status: hide

Journal entries
* partner: show
* reference: show
* company: show (after journal)

Journal items
* reference: show
* partner: show
* analytic account: show
* matching number: show
* due date: hide

Analytic items
* ref: hide
* tags: hide (after analytic account)
* financial account: hide
* journal item: hide
* partner: hide (before company)
* company: show
* product: hide
* quantity: hide
* unit of measure: hide
* amount: show

Transfers (stock.picking)
* from: show
* to: show
* partner: show
* responsible: hide
* operation type: hide
* company: show
* scheduled date: show
* effective date: hide
* source document: show
* back order of: hide
* status: show
* batch picking: show
* carrier: hide
* tracking ref: hide
* weight: hide
* weight for shipping: hide
* priority: hide

Inventory adjustment
* location: hide (to add after inventory date)
* company: show
* accounting date: hide

Inventory report (stock.quant)
* reserved: hide
* company: show

Lot/serial
* best before: hide (after creation date)
* removal date: hide
* end of life date: hide
* alert date: hide
* created on: show
* internal ref: show

MO
* deadline start: show
* planning start date: hide (rename to planned start date)
* product: show
* bill of material: hide
* source: show
* responsible: hide
* company: show
* quantity: show
* uom: show
* routing: show
* state: show
* material availability: show

BoM
* Reference: show
* variant: show
* version: show
* quantity: show
* unit of measure: show
* bom type: hide
* company: show
* routing: show

Repair order:
* product to repair: show
* product quantity: hide
* uom: hide
* customer: show
* delivery address: show
* warranty expiration: show
* location: hide
* company: show
* status: show

Quality alerts
* product: show
* product variant: hide
* lot: hide
* work center: show
* team: show
* responsible: show
* check: show
* tags: hide
* root cause: hide
* priority: hide
* description: hide
* date assigned: show
* vendor: hide

Quality control points (and reorder tree view according to the list)
* reference
* title: show
* product: show
* product variant: hide
* operation type: show
* operation: hide
* work order operation: hide
* control type: hide
* device: hide
* type: show
* team: show
* responsible: hide
* company: show

Quality checks (add the fields in the following order in the list view)
* product: show
* lot: show
* picking: hide (rename to Transfer)
* checked date: show
* checked by: show
* control point: hide
* team: show
* status: show

Project tasks
* project: show
* assigned to: show
* customer: hide
* tags: hide
* planned hour: show
* remaining hour: show
* deadline: hide
* stage: show
* progress: show
* company: show

LINKS

See task 1997453

closes odoo/odoo#33888

Signed-off-by: Thibault Delavallee (tde) <tde@openerp.com>