Fix instances of "The clairvoyant"

Previously we only fixed "the clairvoyant", missing cases where it his name started sentences.

lib/convert-worker.js

@@ -329,7 +329,7 @@ function getBodyXML(chapter, book, contentEl) {
   // This occurs enough times it's better to do here than in one-off fixes. We correct the single instance where
   // it's incorrect to capitalize in the one-off fixes.
   // Note that Ward contains much talk of "the clairvoyants", so we don't want to capitalize plurals.
-  xml = xml.replace(/the clairvoyant([^s])/g, "the Clairvoyant$1");
+  xml = xml.replace(/([Tt])he clairvoyant([^s])/g, "$1he Clairvoyant$2");
 
   // ReSound's name is sometimes miscapitalized. The word is never used in a non-name context.
   xml = xml.replace(/Resound/g, "ReSound");