[bugfix] filetype error message (#1958)

Author: ignapas

services/web/client/source/class/osparc/dashboard/ExploreBrowser.js

@@ -757,7 +757,7 @@ qx.Class.define("osparc.dashboard.ExploreBrowser", {
               osparc.component.message.FlashMessenger.logAs("Your data was sent to our curation team. We will get back to you shortly.", "INFO");
               addServiceWindow.close();
             } else {
-              osparc.component.message.FlashMessenger.logAs("A problem occured while processing your data", "ERROR");
+              osparc.component.message.FlashMessenger.logAs(`A problem occured while processing your data: ${resp.statusText}`, "ERROR");
             }
           })
           .finally(() => form.setFetching(false));

services/web/client/source/class/osparc/ui/mixin/FetchButton.js

@@ -19,13 +19,13 @@ qx.Mixin.define("osparc.ui.mixin.FetchButton", {
   },
   members: {
     __icon: null,
-    _applyFetching: function(isFetching) {
+    _applyFetching: function(isFetching, old) {
       if (isFetching) {
         this.__icon = this.getIcon();
         this.setIcon("@FontAwesome5Solid/circle-notch/12");
         this.getChildControl("icon").getContentElement().addClass("rotate");
       } else {
-        if (this.__icon !== null) {
+        if (isFetching !== old) {
           this.setIcon(this.__icon);
         }
         this.getChildControl("icon").getContentElement().removeClass("rotate");