Fix tenantDomain parm issue when T is capital in para

The issue occurs in the JIT provisioning when we choose
the option 'Prompt for username, password, and consent.'
In the URL build of the JIT provisioning flow, it
constructs the URL by adding the capital 'TenantDomain' parameterm

modules/distribution/product/src/main/extensions/header.jsp

@@ -31,6 +31,9 @@
 
 <%
   String tenant = request.getParameter("tenantDomain");
+  if (tenant == null) {
+      tenant = request.getParameter("TenantDomain");
+  }
   if (tenant == null) {
       String cb = request.getParameter("callback");
       cb = StringUtils.replace(cb, " ", "");
@@ -39,7 +42,7 @@
           String decodedValue = uri.getQuery();
           String[] params = decodedValue.split("&");
           for (String param : params) {
-              if (param.startsWith("tenantDomain=")) {
+              if (param.startsWith("tenantDomain=") || param.startsWith("TenantDomain=")) {
                   String[] keyVal = param.split("=");
                   tenant = keyVal[1];
               }