Enable parse classes by default

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

@@ -972,7 +972,7 @@ public class FragmentOptionsDisplay extends FragmentBase implements SharedPrefer
         swAttachmentsAlt.setChecked(prefs.getBoolean("attachments_alt", false));
         swThumbnails.setChecked(prefs.getBoolean("thumbnails", true));
 
-        swParseClasses.setChecked(prefs.getBoolean("parse_classes", false));
+        swParseClasses.setChecked(prefs.getBoolean("parse_classes", true));
         swAuthentication.setChecked(prefs.getBoolean("authentication", true));
 
         updateColor();

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

@@ -367,7 +367,7 @@ public class HtmlHelper {
         boolean text_align = prefs.getBoolean("text_align", true);
         boolean display_hidden = prefs.getBoolean("display_hidden", false);
         boolean disable_tracking = prefs.getBoolean("disable_tracking", true);
-        boolean parse_classes = prefs.getBoolean("parse_classes", false);
+        boolean parse_classes = prefs.getBoolean("parse_classes", true);
         boolean inline_images = prefs.getBoolean("inline_images", false);
         boolean text_separators = prefs.getBoolean("text_separators", false);