slapos_jio: Call appropriated API on tales

master/bt5/slapos_jio/SkinTemplateItem/portal_skins/slapos_hal_json_style/SoftwareInstance_viewAsHateoas/my_news.xml

@@ -126,7 +126,7 @@
       <dictionary>
         <item>
             <key> <string>_text</string> </key>
-            <value> <string>python: instance.Base_getNewsDict(here)</string> </value>
+            <value> <string>here/SoftwareInstance_getNewsDict</string> </value>
         </item>
       </dictionary>
     </pickle>