add docs

Signed-off-by: alperozturk96 <alper_ozturk@proton.me>

Author: alperozturk96

app/src/main/java/com/owncloud/android/ui/activity/FileDisplayActivity.kt

@@ -1301,9 +1301,12 @@ class FileDisplayActivity :
 
         if (leftFragment is UnifiedSearchFragment) {
             showSortListGroup(false)
+
+            // one pop or POP_BACK_STACK_INCLUSIVE is not showing the OCFileListFragment with correct state
             supportFragmentManager.popBackStack()
             supportFragmentManager.popBackStack()
 
+            // needed to set correct action bar style
             if (isRoot) {
                 setupHomeSearchToolbarWithSortAndListButtons()
             } else {