feat: Set start year for gridmaps to 2023

spatial/templates/spatial/gridmap.html

@@ -24,7 +24,7 @@
 	$(document).ready(function() {
 		// Populate the year select element
 		const currentYear = getSystemTime().year();
-		const startYear = 2024;
+		const startYear = 2023;
 		const yearSelect = document.getElementById('year');
 		for (let year = startYear; year <= currentYear; year++) {
 			const option = document.createElement('option');