erp5_knowledge_pad: Fix inconsistency with preferred_width and preferred_height in clock gadget

ERP5Type.ConsistencyMessage for PropertyTypeValidity type_check on portal_gadgets/clock (message: Attribute preferred_width should be of type string but is of type <type 'int'>)
ERP5Type.ConsistencyMessage for PropertyTypeValidity type_check on portal_gadgets/clock (message: Attribute preferred_height should be of type string but is of type <type 'int'>)

bt5/erp5_knowledge_pad/PathTemplateItem/portal_gadgets/clock.xml

@@ -203,7 +203,7 @@
         </item>
         <item>
             <key> <string>preferred_height</string> </key>
-            <value> <int>100</int> </value>
+            <value> <string>100</string> </value>
         </item>
         <item>
             <key> <string>preferred_title</string> </key>
@@ -211,7 +211,7 @@
         </item>
         <item>
             <key> <string>preferred_width</string> </key>
-            <value> <int>100</int> </value>
+            <value> <string>100</string> </value>
         </item>
         <item>
             <key> <string>render_type</string> </key>
@@ -267,11 +267,17 @@
             <value>
               <dictionary>
                 <item>
-                    <key> <string>knowledge_pad_validation_workflow</string> </key>
+                    <key> <string>edit_workflow</string> </key>
                     <value>
                       <persistent> <string encoding="base64">AAAAAAAAAAY=</string> </persistent>
                     </value>
                 </item>
+                <item>
+                    <key> <string>knowledge_pad_validation_workflow</string> </key>
+                    <value>
+                      <persistent> <string encoding="base64">AAAAAAAAAAc=</string> </persistent>
+                    </value>
+                </item>
               </dictionary>
             </value>
         </item>
@@ -279,6 +285,65 @@
     </pickle>
   </record>
   <record id="6" aka="AAAAAAAAAAY=">
+    <pickle>
+      <global name="WorkflowHistoryList" module="Products.ERP5Type.patches.WorkflowTool"/>
+    </pickle>
+    <pickle>
+      <tuple>
+        <none/>
+        <list>
+          <dictionary>
+            <item>
+                <key> <string>action</string> </key>
+                <value> <string>edit</string> </value>
+            </item>
+            <item>
+                <key> <string>actor</string> </key>
+                <value> <string>zope</string> </value>
+            </item>
+            <item>
+                <key> <string>comment</string> </key>
+                <value>
+                  <none/>
+                </value>
+            </item>
+            <item>
+                <key> <string>error_message</string> </key>
+                <value> <string></string> </value>
+            </item>
+            <item>
+                <key> <string>serial</string> </key>
+                <value> <string>956.46719.26097.18961</string> </value>
+            </item>
+            <item>
+                <key> <string>state</string> </key>
+                <value> <string>current</string> </value>
+            </item>
+            <item>
+                <key> <string>time</string> </key>
+                <value>
+                  <object>
+                    <klass>
+                      <global name="DateTime" module="DateTime.DateTime"/>
+                    </klass>
+                    <tuple>
+                      <none/>
+                    </tuple>
+                    <state>
+                      <tuple>
+                        <float>1484742410.63</float>
+                        <string>UTC</string>
+                      </tuple>
+                    </state>
+                  </object>
+                </value>
+            </item>
+          </dictionary>
+        </list>
+      </tuple>
+    </pickle>
+  </record>
+  <record id="7" aka="AAAAAAAAAAc=">
     <pickle>
       <global name="WorkflowHistoryList" module="Products.ERP5Type.patches.WorkflowTool"/>
     </pickle>

bt5/erp5_knowledge_pad/SkinTemplateItem/portal_skins/erp5_gadget/ERP5Site_viewGoogleClockGadgetPreferenceDialog/my_preferred_height.xml

@@ -78,7 +78,7 @@
                 </item>
                 <item>
                     <key> <string>field_id</string> </key>
-                    <value> <string>my_gadget_preferences_integer_field</string> </value>
+                    <value> <string>my_gadget_preferences_string_field</string> </value>
                 </item>
                 <item>
                     <key> <string>form_id</string> </key>

bt5/erp5_knowledge_pad/SkinTemplateItem/portal_skins/erp5_gadget/ERP5Site_viewGoogleClockGadgetPreferenceDialog/my_preferred_width.xml

@@ -78,7 +78,7 @@
                 </item>
                 <item>
                     <key> <string>field_id</string> </key>
-                    <value> <string>my_gadget_preferences_integer_field</string> </value>
+                    <value> <string>my_gadget_preferences_string_field</string> </value>
                 </item>
                 <item>
                     <key> <string>form_id</string> </key>