feat: Update client IP handling for X-Ray configuration and enable text content display by default

migrations/056_enable_show_text_content_for_xray.sql

@@ -0,0 +1,5 @@
+-- Enable text content display by default on client page for XRay VLESS
+UPDATE protocols
+SET show_text_content = 1
+WHERE slug = 'xray-vless'
+  AND COALESCE(show_text_content, 0) <> 1;