Fix incorrect backstack

app/src/main/AndroidManifest.xml

@@ -163,25 +163,21 @@
       android:name=".ui.clientsettings.client.ClientSettingsActivity"
       android:exported="false"
       android:label="@string/label_settings_client"
-      android:parentActivityName=".ui.chat.ChatActivity"
       android:windowSoftInputMode="adjustResize" />
     <activity
       android:name=".ui.clientsettings.crash.CrashActivity"
       android:exported="false"
       android:label="@string/label_crashes"
-      android:parentActivityName=".ui.clientsettings.client.ClientSettingsActivity"
       android:windowSoftInputMode="adjustResize" />
     <activity
       android:name=".ui.clientsettings.whitelist.WhitelistActivity"
       android:exported="false"
       android:label="@string/label_certificates"
-      android:parentActivityName=".ui.clientsettings.client.ClientSettingsActivity"
       android:windowSoftInputMode="adjustResize" />
     <activity
       android:name=".ui.clientsettings.about.AboutActivity"
       android:exported="false"
       android:label="@string/label_about"
-      android:parentActivityName=".ui.clientsettings.client.ClientSettingsActivity"
       android:windowSoftInputMode="adjustResize" />
     <activity
       android:name=".ui.clientsettings.license.LicenseActivity"