Added the Refresh All button to invalidate caches and force requests to be sent again

src/background/messages.js

@@ -1,6 +1,7 @@
 /** Register synchronously; replies retain the WebExtension sendResponse contract. */
 function registerBackgroundMessages({
   messageTypes,
+  invalidateProductsCache,
   getXsrfTokenCookie,
   refreshXsrfCookie,
   requestAccountPlans,
@@ -20,6 +21,10 @@ runtimeApi.runtime.onMessage.addListener((message, sender, sendResponse) => {
       return false;
     }
 
+    if (message.type === messageTypes.invalidateProductsCache) {
+      invalidateProductsCache().then(() => sendResponse({ ok: true })).catch(error => sendResponse({ ok: false, error: error.message || "Unable to clear products cache." }));
+      return true;
+    }
     if (message.type === messageTypes.getXsrfToken) {
       getXsrfTokenCookie()
         .then((result) => {