fix: create discount & access code page (#4051)

* changing to success event listener

* fixing broken access code section too

Author: maze-runnar

app/templates/components/forms/events/view/create-access-code.hbs

@@ -76,7 +76,7 @@
         {{#copy-button
           class='ui black right labeled icon copy button'
           clipboardText=accessLink
-          click=(action 'copiedText')
+          success=(action 'copiedText')
           }}
           <i class="copy icon"></i>
           {{t 'Copy'}}

app/templates/components/forms/events/view/create-discount-code.hbs

@@ -88,7 +88,7 @@
         {{#copy-button
           class='ui black right labeled icon copy button'
           clipboardText=discountLink
-          click=(action 'copiedText')
+          success=(action 'copiedText')
           }}
           <i class="copy icon"></i>
           {{t 'Copy'}}