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
(cherry picked from commit f5356a5085)

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 -%]