Entangle the required and editable properties of Profile fields.

Add tests.  Update i18n for required property hover help.
Upgrade script to set editable=1 on all required fields.
fixes #10781

docs/changelog/7.x.x.txt

@@ -1,4 +1,5 @@
 7.7.18
+ - fixed #10781: User Profile Editable/Required gotcha
  - fixed #10786: Matrix navigation: search screen to view screen
  - fixed #10766: Matrix search: search dropdowns do not match what is displayed when search form opens.
  - fixed #10783: Inbox Copy Sender broken

docs/upgrades/upgrade_7.7.17-7.7.18.pl

@@ -33,9 +33,9 @@ my $session = start(); # this line required
 # upgrade functions go here
 addSmsGatewaySubjectSetting($session);
 addInboxNotificationsSubjectSetting($session);
+profileFieldRequiredEditable($session);
 finish($session); # this line required
 
-
 #----------------------------------------------------------------------------
 # Describe what our function does
 #sub exampleFunction {
@@ -45,6 +45,18 @@ finish($session); # this line required
 #    print "DONE!\n" unless $quiet;
 #}
 
+sub profileFieldRequiredEditable {
+    my $session = shift;
+    print "\tTurn on the editable bit for all Profile Fields which are required... " unless $quiet;
+    FIELD: foreach my $field (@{ WebGUI::ProfileField->getRequiredFields($session) } ) {
+        my $properties = $field->get();
+        next FIELD unless !$properties->{editable};
+        $properties->{editable} = 1;
+        $field->set($properties);
+    }
+    print "DONE!\n" unless $quiet;
+}
+
 sub addSmsGatewaySubjectSetting {
     my $session = shift;
     print "\tAdding smsGatewaySubject setting... " unless $quiet;