Enable SSL update by default for Play Store only

app/src/github/java/eu/faircode/email/ApplicationSecure.java

@@ -38,7 +38,7 @@ public class ApplicationSecure extends ApplicationEx implements ProviderInstalle
     public void onCreate() {
         super.onCreate();
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
-        boolean ssl_update = prefs.getBoolean("ssl_update", true);
+        boolean ssl_update = prefs.getBoolean("ssl_update", Helper.isPlayStoreInstall());
         if (ssl_update) {
             Log.i("Security provider check");
             ProviderInstaller.installIfNeededAsync(this, this);

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

@@ -789,7 +789,7 @@ public class FragmentOptionsConnection extends FragmentBase implements SharedPre
             etDnsExtra.setEnabled(swDnsCustom.isChecked() || Build.VERSION.SDK_INT < Build.VERSION_CODES.Q);
             swDnsClear.setChecked(prefs.getBoolean("dns_clear", false));
             swTcpKeepAlive.setChecked(prefs.getBoolean("tcp_keep_alive", false));
-            swSslUpdate.setChecked(prefs.getBoolean("ssl_update", true));
+            swSslUpdate.setChecked(prefs.getBoolean("ssl_update", Helper.isPlayStoreInstall()));
             swSslHarden.setChecked(prefs.getBoolean("ssl_harden", false));
             swSslHardenStrict.setChecked(prefs.getBoolean("ssl_harden_strict", false));
             swSslHardenStrict.setEnabled(swSslHarden.isChecked());

app/src/play/java/eu/faircode/email/ApplicationSecure.java

@@ -38,7 +38,7 @@ public class ApplicationSecure extends ApplicationEx implements ProviderInstalle
     public void onCreate() {
         super.onCreate();
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
-        boolean ssl_update = prefs.getBoolean("ssl_update", true);
+        boolean ssl_update = prefs.getBoolean("ssl_update", Helper.isPlayStoreInstall());
         if (ssl_update) {
             Log.i("Security provider check");
             ProviderInstaller.installIfNeededAsync(this, this);