Add ability to mask passwords (#494)

* add ability to mask passwords

* remove duplicate mask snapshot

* make sure only one click happens at a time

src/record/observer.ts

@@ -359,10 +359,7 @@ function initInputObserver(
       return;
     }
     const type: string | undefined = (target as HTMLInputElement).type;
-    if (
-      type === 'password' ||
-      (target as HTMLElement).classList.contains(ignoreClass)
-    ) {
+    if ((target as HTMLElement).classList.contains(ignoreClass)) {
       return;
     }
     let text = (target as HTMLInputElement).value;