[BUGFIX] Fix error in TSConfig condition

Use `traverse` function to access the "module" property of
variable "page" because page may not be available.

Configuration/TSconfig/Page.tsconfig

@@ -8,6 +8,6 @@ TCEFORM.tx_t3blog_post {
 }
 
 # Hide tt_content elements in list view
-[page["module"] == "t3blog"]
+[traverse(page, "module") == "t3blog"]
 	mod.web_list.table.tt_content.hideTable = 1
 [global]