Fixed animator life cycle

app/src/main/java/eu/faircode/email/FragmentAccounts.java

@@ -279,7 +279,7 @@ public class FragmentAccounts extends FragmentBase {
             }
         });
 
-        animator = Helper.getFabAnimator(fab, this);
+        animator = Helper.getFabAnimator(fab, getViewLifecycleOwner());
 
         // Initialize
         FragmentDialogTheme.setBackground(getContext(), view, false);

app/src/main/java/eu/faircode/email/FragmentIdentities.java

@@ -180,7 +180,7 @@ public class FragmentIdentities extends FragmentBase {
             }
         });
 
-        animator = Helper.getFabAnimator(fab, this);
+        animator = Helper.getFabAnimator(fab, getViewLifecycleOwner());
 
         // Initialize
         FragmentDialogTheme.setBackground(getContext(), view, false);

app/src/main/java/eu/faircode/email/FragmentMessages.java

@@ -547,7 +547,7 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
         fabSearch = view.findViewById(R.id.fabSearch);
         fabError = view.findViewById(R.id.fabError);
 
-        animator = Helper.getFabAnimator(fabSearch, this);
+        animator = Helper.getFabAnimator(fabSearch, getViewLifecycleOwner());
 
         final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());