fix: 🐛 update lastOffset and fix full day event position when fullHeaderTitle is empty (#368)

Author: apurva010

lib/src/day_view/day_view.dart

@@ -354,7 +354,8 @@ class DayViewState<T extends Object?> extends State<DayView<T>> {
   @override
   void initState() {
     super.initState();
-    _lastScrollOffset = widget.scrollOffset ?? 0.0;
+    _lastScrollOffset = widget.scrollOffset ??
+        widget.startDuration.inMinutes * widget.heightPerMinute;
 
     _reloadCallback = _reload;
     _setDateRange();
@@ -365,8 +366,8 @@ class DayViewState<T extends Object?> extends State<DayView<T>> {
 
     _calculateHeights();
     _scrollController = ScrollController(
-        initialScrollOffset: widget.scrollOffset ??
-            widget.startDuration.inMinutes * widget.heightPerMinute);
+      initialScrollOffset: _lastScrollOffset,
+    );
     _pageController = PageController(initialPage: _currentIndex);
     _eventArranger = widget.eventArranger ?? SideEventArranger<T>();
     _assignBuilders();

lib/src/week_view/_internal_week_view_page.dart

@@ -293,21 +293,26 @@ class _InternalWeekViewPageState<T extends Object?>
               child: Row(
                 crossAxisAlignment: CrossAxisAlignment.center,
                 children: [
-                  if (widget.fullDayHeaderTitle.isNotEmpty)
-                    Container(
-                      width: widget.timeLineWidth +
-                          widget.hourIndicatorSettings.offset,
-                      padding: const EdgeInsets.symmetric(
-                        vertical: 2,
-                        horizontal: 1,
-                      ),
-                      child: Text(
-                        widget.fullDayHeaderTitle,
-                        textAlign: widget.fullDayHeaderTextConfig.textAlign,
-                        maxLines: widget.fullDayHeaderTextConfig.maxLines,
-                        overflow: widget.fullDayHeaderTextConfig.textOverflow,
-                      ),
-                    ),
+                  SizedBox(
+                    width: widget.timeLineWidth +
+                        widget.hourIndicatorSettings.offset,
+                    child: widget.fullDayHeaderTitle.isNotEmpty
+                        ? Padding(
+                            padding: const EdgeInsets.symmetric(
+                              vertical: 2,
+                              horizontal: 1,
+                            ),
+                            child: Text(
+                              widget.fullDayHeaderTitle,
+                              textAlign:
+                                  widget.fullDayHeaderTextConfig.textAlign,
+                              maxLines: widget.fullDayHeaderTextConfig.maxLines,
+                              overflow:
+                                  widget.fullDayHeaderTextConfig.textOverflow,
+                            ),
+                          )
+                        : SizedBox.shrink(),
+                  ),
                   ...List.generate(
                     filteredDates.length,
                     (index) {