TT#124275 Show the button 'Login to CSC' for Perl CSC only

JS CSC needs JWT token and backend is not compatible here (yet).
Let's hide the button 'Login to CSC' if JS CSC is a default UI.

Change-Id: I8c7bcf194c3cfee1ccb47eddaf25c9971f4cf19e

etc/ngcp_panel.conf

@@ -13,6 +13,7 @@ log4perl.appender.Default.layout.ConversionPattern=%d{ISO8601} [%p] [%F +%L] %m{
 <general>
     maintenance_mode 0
     ui_enable 0
+    csc_js_enable 1
 </general>
 
 <api_debug_opts>

share/templates/subscriber/master.tt

@@ -56,7 +56,9 @@
                     <a class="btn btn-primary btn-large" href="[% href %]"><i class="icon-edit"></i> [% c.loc('Edit') %]</a>
                     [% IF (c.user.roles == "admin" || c.user.roles == "reseller" ||
                            c.user.roles == "ccareadmin" || c.user.roles == "ccare") -%]
-                        <a class="btn btn-primary btn-large" href="[% c.uri_for_action('/subscriber/login_to_csc', [ subscriber.id ]) %]" target="_blank"><i class="icon-user"></i> [% c.loc('Login to CSC') %]</a>
+                        [% IF (c.config.general.csc_js_enable == 0 || c.config.general.csc_js_enable == 2) -%]
+                            <a class="btn btn-primary btn-large" href="[% c.uri_for_action('/subscriber/login_to_csc', [ subscriber.id ]) %]" target="_blank"><i class="icon-user"></i> [% c.loc('Login to CSC') %]</a>
+                        [% END -%]
                     [% END -%]
                 [% END -%]
                 [% IF subscriber.contract.passreset_email_template -%]