fix scratchpad on time problems

Author: jspann21

time-problems.js

@@ -142,7 +142,7 @@ const optionsContainer = document.getElementById('options-container');
 const nextBtn = document.getElementById('next-btn');
 const prevBtn = document.getElementById('prev-btn');
 const toggleScratchpadBtn = document.getElementById('toggle-scratchpad');
-const scratchpadArea = document.getElementById('scratchpad');
+const scratchpadArea = document.getElementById('scratchpad-area');
 const closeScratchpadBtn = document.getElementById('close-scratchpad');
 const undoBtn = document.getElementById('undo-btn');
 const redoBtn = document.getElementById('redo-btn');