Import: only dismiss import dialog if already showing.

This should fix a crash when the os kills the activity before import is done.

app/src/main/java/com/etesync/syncadapter/ui/importlocal/LocalCalendarImportFragment.kt

@@ -189,7 +189,9 @@ class LocalCalendarImportFragment : ListFragment() {
         }
 
         override fun onPostExecute(result: ResultFragment.ImportResult) {
-            progressDialog.dismiss()
+            if (progressDialog.isShowing && !activity!!.isDestroyed) {
+                progressDialog.dismiss()
+            }
             (activity as ResultFragment.OnImportCallback).onImportResult(result)
         }
 

app/src/main/java/com/etesync/syncadapter/ui/importlocal/LocalContactImportFragment.kt

@@ -124,7 +124,9 @@ class LocalContactImportFragment : Fragment() {
         }
 
         override fun onPostExecute(result: ResultFragment.ImportResult) {
-            progressDialog.dismiss()
+            if (progressDialog.isShowing && !activity!!.isDestroyed) {
+                progressDialog.dismiss()
+            }
             (activity as ResultFragment.OnImportCallback).onImportResult(result)
         }