refresh items after sorting/filtering/grouping only if something changed

app/src/main/kotlin/com/simplemobiletools/gallery/pro/dialogs/ChangeGroupingDialog.kt

@@ -19,6 +19,7 @@ class ChangeGroupingDialog(val activity: BaseSimpleActivity, val path: String =
     private var view: View
 
     init {
+        currGrouping = config.getFolderGrouping(pathToUse)
         view = activity.layoutInflater.inflate(R.layout.dialog_change_grouping, null).apply {
             grouping_dialog_use_for_this_folder.isChecked = config.hasCustomGrouping(pathToUse)
             grouping_dialog_radio_folder.beVisibleIf(path.isEmpty())
@@ -31,7 +32,6 @@ class ChangeGroupingDialog(val activity: BaseSimpleActivity, val path: String =
                 activity.setupDialogStuff(view, this, R.string.group_by)
             }
 
-        currGrouping = config.getFolderGrouping(pathToUse)
         setupGroupRadio()
         setupOrderRadio()
         view.grouping_dialog_show_file_count.isChecked = currGrouping and GROUP_SHOW_FILE_COUNT != 0
@@ -90,6 +90,7 @@ class ChangeGroupingDialog(val activity: BaseSimpleActivity, val path: String =
             config.removeFolderGrouping(pathToUse)
             config.groupBy = grouping
         }
+
         callback()
     }
 }

app/src/main/kotlin/com/simplemobiletools/gallery/pro/dialogs/ChangeSortingDialog.kt

@@ -113,6 +113,9 @@ class ChangeSortingDialog(
                 config.sorting = sorting
             }
         }
+
+        if (currSorting != sorting) {
             callback()
         }
     }
+}

app/src/main/kotlin/com/simplemobiletools/gallery/pro/dialogs/ChangeViewTypeDialog.kt

@@ -55,7 +55,12 @@ class ChangeViewTypeDialog(val activity: BaseSimpleActivity, val fromFoldersView
     }
 
     private fun dialogConfirmed() {
-        val viewType = if (view.change_view_type_dialog_radio.checkedRadioButtonId == view.change_view_type_dialog_radio_grid.id) VIEW_TYPE_GRID else VIEW_TYPE_LIST
+        val viewType = if (view.change_view_type_dialog_radio.checkedRadioButtonId == view.change_view_type_dialog_radio_grid.id) {
+            VIEW_TYPE_GRID
+        } else {
+            VIEW_TYPE_LIST
+        }
+
         if (fromFoldersView) {
             config.viewTypeFolders = viewType
             config.groupDirectSubfolders = view.change_view_type_dialog_group_direct_subfolders.isChecked
@@ -68,6 +73,7 @@ class ChangeViewTypeDialog(val activity: BaseSimpleActivity, val fromFoldersView
             }
         }
 
+
         callback()
     }
 }

app/src/main/kotlin/com/simplemobiletools/gallery/pro/dialogs/FilterMediaDialog.kt

@@ -49,7 +49,9 @@ class FilterMediaDialog(val activity: BaseSimpleActivity, val callback: (result:
             result = getDefaultFileFilter()
         }
 
+        if (activity.config.filterMedia != result) {
             activity.config.filterMedia = result
             callback(result)
         }
     }
+}