title: print many2many fields on qweb-report
body: <p>I would like to know how I can print in a report qweb a whole field many2many, similar to what happens in the quotes, invoices of the sales module.</p>
  
  <p>Or if it is possible to print them separately in the report</p>
  
  <p><a href="https://i.stack.imgur.com/duxd3.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/duxd3.png" alt="sales quotation "></a></p>
  
  <p><strong>cie10_app model</strong></p>
  
  <pre><code>from odoo import models, api, fields
  class Cie10Db(models.Model):
    _name = 'cie10.list'
    _rec_name = 'detalleCie'
    codCie = fields.Char('Codigo Cie10')
    detalleCie = fields.Char('Detalle Diagnostico')
  </code></pre>
  
  <p><strong>cie10_informed</strong></p>
  
  <pre><code>from odoo import models, fields
  class DiagRec(models.Model):
       _name = 'info.cie10'
       ob_cie10 = fields.Many2one('cie10.list',string='Dx (CIE 10)')
       ob_codCie10 = fields.Char(related='ob_cie10.codCie')
       ob_observaciones = fields.Char('Observaciones')
  </code></pre>
  
  <p><strong>informed_app</strong></p>
  
  <pre><code>from odoo import models, fields, api
  class InfMed(models.Model):
      dx1 = fields.Many2many('info.cie10')
  </code></pre>
  
  <p>I need to print the whole field many2many in the report qweb</p>
  
  <p><strong>informed_report</strong></p>
  
  <pre><code>&lt;span t-field="o.tratRec1"/&gt;
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/Dea41.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Dea41.png" alt="enter image description here"></a></p>
  
  <p>but I only get this</p>
  
  <p><a href="https://i.stack.imgur.com/2WfM4.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/2WfM4.png" alt="enter image description here"></a> </p>