fix the problem that the day of week in date time / date range picker is wrong

src/components/mobile/DateRangeSelectionSheet.vue

@@ -91,7 +91,7 @@ export default {
             return this.$store.getters.currentUserFirstDayOfWeek;
         },
         dayNames() {
-            return this.$locale.getAllMinWeekdayNames();
+            return this.$utilities.arrangeArrayWithNewStartIndex(this.$locale.getAllMinWeekdayNames(), this.firstDayOfWeek);
         },
         is24Hour() {
             const datetimeFormat = this.$t('format.datetime.long');

src/components/mobile/DateTimeSelectionSheet.vue

@@ -66,7 +66,7 @@ export default {
             return this.$store.getters.currentUserFirstDayOfWeek;
         },
         dayNames() {
-            return this.$locale.getAllMinWeekdayNames();
+            return this.$utilities.arrangeArrayWithNewStartIndex(this.$locale.getAllMinWeekdayNames(), this.firstDayOfWeek);
         },
         is24Hour() {
             const datetimeFormat = this.$t('format.datetime.long');

src/lib/utils.js

@@ -462,6 +462,24 @@ function copyArrayTo(fromArray, toArray) {
     return toArray;
 }
 
+function arrangeArrayWithNewStartIndex(array, startIndex) {
+    if (startIndex <= 0 || startIndex >= array.length) {
+        return array;
+    }
+
+    const newArray = [];
+
+    for (let i = startIndex; i < array.length; i++) {
+        newArray.push(array[i]);
+    }
+
+    for (let i = 0; i < startIndex; i++) {
+        newArray.push(array[i]);
+    }
+
+    return newArray;
+}
+
 function appendThousandsSeparator(value) {
     if (!settings.isEnableThousandsSeparator() || value.length <= 3) {
         return value;
@@ -927,6 +945,7 @@ export default {
     isDateRangeMatchFullMonths,
     copyObjectTo,
     copyArrayTo,
+    arrangeArrayWithNewStartIndex,
     appendThousandsSeparator,
     numericCurrencyToString,
     stringCurrencyToNumeric,