Change some text when in professional ed flow

ECOM-96

lms/templates/verify_student/_verification_header.html

@@ -22,6 +22,13 @@
         <span class="sts-course-name">${course_name}</span>
       </span>
 
+      %if modes_dict and "professional" in modes_dict:
+      <span class="sts-track professional-ed">
+        <span class="sts-track-value">
+            ${_("Professional Education")}
+        </span>
+      </span>
+      %else:
       <span class="sts-track">
         <span class="sts-track-value">
           %if upgrade:
@@ -33,6 +40,7 @@
           %endif
         </span>
       </span>
+      %endif
     </span>
   </h2>
 </header>