MDL-55417 forms: Improve some of the new templates for form elements

Also - un-deprecate selectwithlink (Fred convinced me).

Part of MDL-55071

theme/noname/templates/core/form_autocomplete_selection.mustache

@@ -48,4 +48,3 @@
         <span>{{noSelectionString}}</span>
     {{/items}}
 </div>
-</div>

theme/noname/templates/core_form/element-password.mustache

@@ -16,8 +16,8 @@
 require(['core/yui'], function(Y) {
     Y.use('moodle-form-passwordunmask', function() {
         M.form.passwordunmask({ formid: {{#quote}}{{element.id}}{{/quote}},
-                                checkboxlabel: '{{#str}}unmaskpassword, form{{/str}}',
+                                checkboxlabel: {{#quote}}{{#str}}unmaskpassword, form{{/str}}{{/quote}},
                                 checkboxname: {{#quote}}{{element.name}}{{/quote}} });
     });
 });
-{{/js}}
+{{/js}}

theme/noname/templates/core_form/element-selectwithlink.mustache

@@ -0,0 +1,17 @@
+{{< core_form/element-template }}
+    {{$element}}
+        <select class="custom-select {{#error}}form-control-danger{{/error}}" name="{{element.name}}"
+            id="{{element.id}}"
+            {{#element.multiple}}multiple{{/element.multiple}}
+            {{#element.frozen}}readonly disabled{{/element.frozen}}
+            {{#error}}
+                autofocus aria-describedby="id_error_{{element.name}}"
+            {{/error}}
+            {{element.attributes}} >
+            {{#element.options}}
+            <option value="{{value}}" {{#selected}}selected{{/selected}}>{{text}}</option>
+            {{/element.options}}
+        </select>
+        <a class="m-x-1" href="{{{element.link}}}">{{element.linklabel}}</a>
+    {{/element}}
+{{/ core_form/element-template }}