Fix: Move timeFormatter to localization object

The timeFormatter must be inside localization.timeScale to properly format
time axis labels. This ensures the x-axis time labels display UTC+1 time correctly.

src/api/dashboard/static/js/ui/chart.js

@@ -99,12 +99,14 @@ timeScale: {
                 secondsVisible: false,
                 rightOffset: 12,
                 barSpacing: 10,
+                localization: {
                     timeFormatter: (timestamp) => {
                         const date = new Date(timestamp);
                         // Convert to UTC+1 (Central European Time)
                         const utc1 = new Date(date.getTime() + (date.getTimezoneOffset() * 60000) + 3600000);
                         return `${String(utc1.getMonth() + 1).padStart(2, '0')}/${String(utc1.getDate()).padStart(2, '0')} ${String(utc1.getHours()).padStart(2, '0')}:${String(utc1.getMinutes()).padStart(2, '0')}`;
                     }
+                }
             },
             handleScroll: {
                 vertTouchDrag: false,