[erp5_web_renderjs_ui] If service worker failed to install cache, unregister...

[erp5_web_renderjs_ui] If service worker failed to install cache, unregister this service worker explicitly.

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_serviceworker.js

@@ -215,11 +215,13 @@
                   return self.skipWaiting();
                 }
               })
-              .catch(function () {
+              .catch(function (error) {
                 // Since we do not allow to override existing cache, if cache installation
                 // failed, we need to delete the cache completely.
                 caches.delete(CACHE_NAME);
-                throw "Download failed! Deleted " + CACHE_NAME;
+                // Explicitly unregister service worker else it may not be done.
+                self.registration.unregister();
+                throw error;
               });
           }
         })

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_serviceworker.xml

@@ -228,7 +228,7 @@
             </item>
             <item>
                 <key> <string>serial</string> </key>
-                <value> <string>976.15237.62291.34798</string> </value>
+                <value> <string>976.15482.50361.52206</string> </value>
             </item>
             <item>
                 <key> <string>state</string> </key>
@@ -246,7 +246,7 @@
                     </tuple>
                     <state>
                       <tuple>
-                        <float>1559902712.53</float>
+                        <float>1559917201.4</float>
                         <string>UTC</string>
                       </tuple>
                     </state>