Fix lists showing up multiple times in history

src/modules/listHistory.js

@@ -10,6 +10,8 @@ export const getHistory = () => {
 export function saveListToHistory(list) {
 	const history = getHistory()
 
+	list.id = parseInt(list.id)
+
 	// Remove the element if it already exists in history, preventing duplicates and essentially moving it to the beginning
 	for (const i in history) {
 		if (history[i].id === list.id) {
@@ -17,6 +19,7 @@ export function saveListToHistory(list) {
 		}
 	}
 
+	// Add the new list to the beginning of the list
 	history.unshift(list)
 
 	if (history.length > 5) {

src/modules/listHistory.test.js

@@ -53,6 +53,18 @@ test('don\'t store the same list twice', () => {
 	expect(saved).toBe('[{"id":1}]')
 })
 
+test('don\'t store the same list twice with different id types', () => {
+	let saved = null
+	Storage.prototype.getItem = jest.fn(() => saved)
+	Storage.prototype.setItem = jest.fn((key, lists) => {
+		saved = lists
+	})
+
+	saveListToHistory({id: 1})
+	saveListToHistory({id: '1'})
+	expect(saved).toBe('[{"id":1}]')
+})
+
 test('move a list to the beginning when storing it multiple times', () => {
 	let saved = null
 	Storage.prototype.getItem = jest.fn(() => saved)