fix lint & test

Author: Tucchhaa

packages/devextreme/js/__internal/scheduler/workspaces/m_work_space.ts

@@ -1856,13 +1856,10 @@ class SchedulerWorkSpace extends Widget<WorkspaceOptionsInternal> {
 
   _isValidScrollDate(date, throwWarning = true) {
     const viewOffset = this.option('viewOffset') as number;
-    const min = this.getStartViewDate();
-    const max = this.getEndViewDate();
+    const min = new Date(this.getStartViewDate().getTime() + viewOffset);
+    const max = new Date(this.getEndViewDate().getTime() + viewOffset);
 
-    const extendedMin = new Date(min.getTime() + viewOffset);
-    const extendedMax = new Date(max.getTime() + viewOffset);
-
-    if (date < extendedMin || date > extendedMax) {
+    if (date < min || date > max) {
       throwWarning && errors.log('W1008', date);
       return false;
     }

packages/devextreme/js/__internal/scheduler/workspaces/view_model/m_view_data_provider.ts

@@ -322,14 +322,11 @@ export default class ViewDataProvider {
         if (isDateInCell) {
           return {
             position: getCellPosition(columnIndex, rowIndex),
-            cellData
+            cellData,
           };
         }
 
-        const diff = Math.min(
-          Math.abs(date.getTime() - cellStartDate.getTime()),
-          Math.abs(date.getTime() - cellEndDate.getTime()),
-        );
+        const diff = Math.abs(date.getTime() - cellStartDate.getTime());
 
         if (findClosest && diff < resultDiff) {
           resultDiff = diff;