fix: pass param when a new website is saved instead of smoke test

src/lib/Options.svelte

···
   let successMessage: string = null;
 
   async function save() {
-    // FIXME: stop this from logging an error
-    const savedTab = await chrome.runtime.sendMessage({type: MessageRequest.SAVE_TAB});
-
-    if(("url" in savedTab)){
-      successMessage = "Website saved!";
-    } else {
-      successMessage = "Website already saved!";
-    }
+    const [savedTab] = await chrome.runtime.sendMessage({type: MessageRequest.SAVE_TAB});
+    successMessage = (savedTab.alreadySaved)? "Website already saved!" : "Website saved!";
     setTimeout(() => {
       successMessage = null;
     }, 1500);

src/storage/db.ts

···
     });
   }
 
-  async store(items: Website[]): Promise<Website[]> {
+  async store(items: Website[]): Promise<Website | { alreadySaved: boolean }[]> {
     return new Promise(async (resolve, reject) => {
       let db: IDBDatabase;
       try {
···
 
       // update website list of active project
       let currentProject = await this.getActiveProject();
-      for (const item of items) {
-        for (const w of currentProject.savedWebsites) {
-          if (w === item.url) {
-            reject(new Error("Item already stored"));
-          }
+      for (let item of items) {
+        if (!currentProject.savedWebsites.includes(item.url)) {
+          currentProject.savedWebsites.push(item.url);
+          item.alreadySaved = false;
+        } else {
+          item.alreadySaved = true;
         }
-        currentProject.savedWebsites.push(item.url);
       }
 
       const projectRequest = db.transaction(["projects"], "readwrite")