fix: RangeCalendar getEndValue adjust month if date not align condition incorrect, #2256 (#2288)

Author: jy0529

components/vc-calendar/src/RangeCalendar.jsx

@@ -435,7 +435,7 @@ const RangeCalendar = {
       const newValue = [sValue[0], value || sValue[1]];
       this.__emit('panelChange', newValue, newMode);
       const newState = {
-        sPanelTriggerSource: 'start',
+        sPanelTriggerSource: 'end',
       };
       if (!hasProp(this, 'mode')) {
         newState.sMode = newMode;
@@ -494,7 +494,7 @@ const RangeCalendar = {
       // Adjust month if date not align
       if (
         !showTimePicker &&
-        panelTriggerSource !== 'end' &&
+        panelTriggerSource === 'start' &&
         mode[0] === 'date' &&
         mode[1] === 'date' &&
         endValue.isSame(value[0], 'month')