Add frontend support for the new clientca type

The frontend is modified to filter certificates from selector lists
so only non-clientca certificate types can be set as server certificates.

frontend/js/app/api.js

@@ -632,6 +632,37 @@ module.exports = {
                 return getAllObjects('nginx/certificates', expand, query);
             },
 
+            /**
+             * Retrieve all certificates which have a type suitable for use as
+             * server certificates. This filters by provider for returned rows.
+             *
+             * @param   {Array}    [expand]
+             * @param   {String}   [query]
+             * @returns {Promise}
+             */
+            getAllServerCertificates: function (expand, query) {
+                return getAllObjects('nginx/certificates', expand, query)
+                  .then(rows => {
+                      return rows.filter( row => row.provider !== 'clientca' );
+                  })
+            },
+
+            /**
+             * Retrieve all certificates which have a type suitable for use as
+             * client authentication certificates. This filters by provider for
+             * returned rows.
+             *
+             * @param   {Array}    [expand]
+             * @param   {String}   [query]
+             * @returns {Promise}
+             */
+            getAllClientCertificates: function (expand, query) {
+                return getAllObjects('nginx/certificates', expand, query)
+                  .then(rows => {
+                      return rows.filter( row => row.provider === 'clientca' );
+                  })
+            },
+
             /**
              * @param {Object}  data
              */

frontend/js/app/nginx/dead/form.js

@@ -263,7 +263,7 @@ module.exports = Mn.View.extend({
                 }
             },
             load:             function (query, callback) {
-                App.Api.Nginx.Certificates.getAll()
+                App.Api.Nginx.Certificates.getAllServerCertificates()
                     .then(rows => {
                         callback(rows);
                     })

frontend/js/app/nginx/proxy/form.js

@@ -331,7 +331,7 @@ module.exports = Mn.View.extend({
                 }
             },
             load:             function (query, callback) {
-                App.Api.Nginx.Certificates.getAll()
+                App.Api.Nginx.Certificates.getAllServerCertificates()
                     .then(rows => {
                         callback(rows);
                     })

frontend/js/app/nginx/redirection/form.js

@@ -265,7 +265,7 @@ module.exports = Mn.View.extend({
                 }
             },
             load:             function (query, callback) {
-                App.Api.Nginx.Certificates.getAll()
+                App.Api.Nginx.Certificates.getAllServerCertificates()
                     .then(rows => {
                         callback(rows);
                     })