[IMP,FIX] hr_recruitment: Add field 'HR Responsible' field + 2 small fixes

- Add a field HR Responsible, who's the job responsible, not the recruitment responsible
- Fix the read_group in `_compute_application_count` method
- Only track subtypes for active employees

addons/hr_recruitment/models/hr_job.py

@@ -20,6 +20,7 @@ class Job(models.Model):
         'hr.employee', related='department_id.manager_id', string="Department Manager",
         readonly=True, store=True)
     user_id = fields.Many2one('res.users', "Recruitment Responsible", track_visibility='onchange')
+    hr_responsible_id = fields.Many2one('res.users', "HR Responsible", track_visibility='onchange')
     document_ids = fields.One2many('ir.attachment', compute='_compute_document_ids', string="Applications")
     documents_count = fields.Integer(compute='_compute_document_ids', string="Documents")
     alias_id = fields.Many2one(
@@ -47,7 +48,7 @@ class Job(models.Model):
 
     @api.multi
     def _compute_application_count(self):
-        read_group_result = self.env['hr.applicant'].read_group([('job_id', '=', self.id)], ['job_id'], ['job_id'])
+        read_group_result = self.env['hr.applicant'].read_group([('job_id', 'in', self.ids)], ['job_id'], ['job_id'])
         result = dict((data['job_id'][0], data['job_id_count']) for data in read_group_result)
         for job in self:
             job.application_count = result.get(job.id, 0)

addons/hr_recruitment/models/hr_recruitment.py

@@ -327,7 +327,7 @@ class Applicant(models.Model):
     @api.multi
     def _track_subtype(self, init_values):
         record = self[0]
-        if 'emp_id' in init_values and record.emp_id:
+        if 'emp_id' in init_values and record.emp_id and record.emp_id.active:
             return 'hr_recruitment.mt_applicant_hired'
         elif 'stage_id' in init_values and record.stage_id and record.stage_id.sequence <= 1:
             return 'hr_recruitment.mt_applicant_new'

addons/hr_recruitment/views/hr_recruitment_config_settings_views.xml

@@ -26,7 +26,7 @@
                             </div>
                         </div>
                         <h2>Recruitment Process</h2>
-                        <div class="row mt16 o_settings_container">
+                        <div class="row mt16 o_settings_container" name="recruitment_process_div">
                             <div class="col-xs-12 col-md-6 o_setting_box" title="Use interview forms tailored to each job position during the recruitment process. Select the form to use in the job position detail form. This relies on Survey app.">
                                 <div class="o_setting_left_pane">
                                     <field name="module_hr_recruitment_survey"/>

addons/hr_recruitment/views/hr_recruitment_views.xml

@@ -448,6 +448,7 @@
             </xpath>
             <xpath expr="//field[@name='department_id']" position="after">
                 <field name="user_id"/>
+                <field name="hr_responsible_id"/>
             </xpath>
             <div name="button_box" position="inside">
                 <button class="oe_stat_button"