Tasks: moves misplaced const

a const was accidentally placed in the middle of imports,
that has been moved

src/components/Tasks/TaskListItem.tsx

@@ -10,6 +10,10 @@ import Checkbox from '@material-ui/core/Checkbox';
 import CheckBoxOutlineBlankIcon from '@material-ui/icons/CheckBoxOutlineBlank';
 import * as colors from '@material-ui/core/colors';
 
+import moment from 'moment';
+
+import { mapPriority } from '../../helpers';
+
 const checkboxColor = {
   [TaskPriorityType.Undefined]: colors.grey[600],
   [TaskPriorityType.Low]: colors.blue[600],
@@ -17,10 +21,6 @@ const checkboxColor = {
   [TaskPriorityType.High]: colors.red[600],
 };
 
-import moment from 'moment';
-
-import { mapPriority } from '../../helpers';
-
 interface PropsType {
   entry: TaskType;
   onClick: (task: TaskType) => void;