Fix botched "CC:" parameter passing in JS_DocmailForm().

testing/resources/javascript/app_mailmsg_expected.txt

Index: testing/resources/javascript/app_mailmsg_expected.txt
diff --git a/testing/resources/javascript/app_mailmsg_expected.txt b/testing/resources/javascript/app_mailmsg_expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..59928ae954c4d4b54aa9a71fc0942e9c19f2fe24
--- /dev/null
+++ b/testing/resources/javascript/app_mailmsg_expected.txt
@@ -0,0 +1,10 @@
+Alert: This test passes if mailMsg() logs output under the test utility.
+Mail Msg: 1, to=, cc=, bcc=, subject=, body=
+Mail Msg: 0, to=user@example.com, cc=, bcc=, subject=, body=
+Mail Msg: 0, to=user@example.com, cc=cc@example.com, bcc=bcc@example.com, subject=subject, body=body
+Mail Msg: 1, to=, cc=, bcc=, subject=, body=
+Mail Msg: 0, to=user@example.com, cc=, bcc=, subject=, body=
+Mail Msg: 0, to=user@example.com, cc=cc@example.com, bcc=bcc@example.com, subject=subject, body=body
+Alert: Caught expected error app.mailMsg: Incorrect number of parameters passed to function.
+Alert: Caught expected error app.mailMsg: Incorrect number of parameters passed to function.
+Alert: Caught expected error app.mailMsg: Incorrect number of parameters passed to function.