Clean and re-organize post table refactoring (#1000)

* Clean and re-organize post table refactoring

* Fix tests

front/src/modules/activities/timeline/components/TimelineActivityTitle.tsx

@@ -1,6 +1,9 @@
 import styled from '@emotion/styled';
 
-import { Checkbox, CheckboxShape } from '@/ui/input/components/Checkbox';
+import {
+  Checkbox,
+  CheckboxShape,
+} from '@/ui/input/checkbox/components/Checkbox';
 import { OverflowingTextWithTooltip } from '@/ui/tooltip/OverflowingTextWithTooltip';
 import { ActivityType } from '~/generated/graphql';