[IMP] website_crm_partner_assign: reword lead feedback modal

These sentences weren't correct:

Why aren't you interested by this lead? => Why aren't you interested IN this
  lead?
Do you have contacted the customer? => I have contacted the customer (present
twice in code)

Task ID 1838187

closes odoo/odoo#39925

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

addons/website_crm_partner_assign/views/website_crm_partner_assign_templates.xml

@@ -436,7 +436,7 @@
                                     <input type="text" name="comment" id="comment" class="form-control comment_interested"/>
                                 </div>
                                 <div class="form-group">
-                                    <label class="col-form-label" for="customer_contacted">Do you have contacted the customer?</label>
+                                    <label class="col-form-label" for="customer_contacted">I have contacted the customer</label>
                                     <input type="checkbox" name="customer_contacted" id="customer_contacted" class="contacted_interested"/>
                                 </div>
                                 <div>
@@ -461,11 +461,11 @@
                             </header>
                             <main class="modal-body" id="sign-dialog">
                                 <div class="form-group">
-                                    <label class="col-form-label" for="comment">Why aren't you interested by this lead?</label>
+                                    <label class="col-form-label" for="comment">Why aren't you interested in this lead?</label>
                                     <input type="text" name="comment" id="comment" class="form-control comment_desinterested"/>
                                 </div>
                                 <div class="form-group">
-                                    <label class="col-form-label" for="contacted_desinterested">Do you have contacted the customer?</label>
+                                    <label class="col-form-label" for="contacted_desinterested">I have contacted the customer</label>
                                     <input type="checkbox" name="contacted_desinterested" id="contacted_desinterested" class="contacted_desinterested"/>
                                 </div>
                                 <div class="form-group">