🐛 [Frontend] Fix: Avoid null parameters in requests (#6601)

Author: odeimaiz

services/static-webserver/client/source/class/osparc/data/Resources.js

@@ -1249,6 +1249,12 @@ qx.Class.define("osparc.data.Resources", {
      * @param {Object} options Collections of options (pollTask, resolveWResponse, timeout, timeoutRetries)
      */
     fetch: function(resource, endpoint, params = {}, options = {}) {
+      if (params === null) {
+        params = {};
+      }
+      if (options === null) {
+        options = {};
+      }
       return new Promise((resolve, reject) => {
         if (this.self().resources[resource] == null) {
           reject(Error(`Error while fetching ${resource}: the resource is not defined`));

services/static-webserver/client/source/class/osparc/desktop/organizations/OrganizationsList.js

@@ -180,7 +180,7 @@ qx.Class.define("osparc.desktop.organizations.OrganizationsList", {
       orgsModel.removeAll();
 
       const useCache = false;
-      osparc.data.Resources.get("organizations", null, useCache)
+      osparc.data.Resources.get("organizations", {}, useCache)
         .then(async respOrgs => {
           const orgs = respOrgs["organizations"];
           const promises = await orgs.map(async org => {