Add relate from work to timesheet lines

As the timesheet work has been replaced in changeset e678093e00ab, there is no
more quick access to the timesheet line from the project.

issue6276
review33101002

timesheet.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<tryton>
+    <data>
+        <record model="ir.action.act_window" id="act_timesheet_line_form_work">
+            <field name="name">Timesheet Lines</field>
+            <field name="res_model">timesheet.line</field>
+            <field name="domain"
+                eval="[If(Eval('active_ids', []) == [Eval('active_id')], ('work.origin.id', '=', Eval('active_id'), 'project.work'), ('work.origin.id', 'in', Eval('active_ids'), 'project.work'))]"
+                pyson="1"/>
+        </record>
+        <record model="ir.action.keyword"
+            id="act_timesheet_line_form_work_keyword1">
+            <field name="keyword">form_relate</field>
+            <field name="model">project.work,-1</field>
+            <field name="action" ref="act_timesheet_line_form_work"/>
+        </record>
+    </data>
+</tryton>

tryton.cfg

@@ -8,3 +8,4 @@ depends:
 xml:
     project.xml
     work.xml
+    timesheet.xml