always refresh viewpager when successfully returning from the editor

app/build.gradle

@@ -46,7 +46,7 @@ ext {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:3.13.0'
+    implementation 'com.simplemobiletools:commons:3.13.4'
     implementation 'com.theartofdev.edmodo:android-image-cropper:2.6.0'
     implementation 'com.android.support:multidex:1.0.2'
     implementation 'com.google.code.gson:gson:2.8.2'

app/src/main/kotlin/com/simplemobiletools/gallery/activities/EditActivity.kt

@@ -204,7 +204,7 @@ class EditActivity : SimpleActivity(), CropImageView.OnCropImageCompleteListener
             Thread {
                 val file = File(path)
                 val fileDirItem = FileDirItem(path, path.getFilenameFromPath())
-                getFileOutputStream(fileDirItem) {
+                getFileOutputStream(fileDirItem, true) {
                     if (it != null) {
                         saveBitmap(file, bitmap, it)
                     } else {

app/src/main/kotlin/com/simplemobiletools/gallery/activities/MainActivity.kt

@@ -654,8 +654,9 @@ class MainActivity : SimpleActivity(), DirectoryAdapter.DirOperationsListener {
     }
 
     private fun checkLastMediaChanged() {
-        if (isActivityDestroyed())
+        if (isActivityDestroyed()) {
             return
+        }
 
         mLastMediaHandler.removeCallbacksAndMessages(null)
         mLastMediaHandler.postDelayed({

app/src/main/kotlin/com/simplemobiletools/gallery/activities/ViewPagerActivity.kt

@@ -713,6 +713,7 @@ class ViewPagerActivity : SimpleActivity(), ViewPager.OnPageChangeListener, View
         if (requestCode == REQUEST_EDIT_IMAGE) {
             if (resultCode == Activity.RESULT_OK && resultData != null) {
                 mPos = -1
+                mPrevHashcode = 0
                 refreshViewPager()
             }
         } else if (requestCode == REQUEST_SET_AS) {