UX: moves wizard's "Finish" button to the left of back and next (#7027)

This was done to avoid clicking finish when clicking fast on next.

app/assets/javascripts/wizard/templates/components/wizard-step.hbs

@@ -32,6 +32,12 @@
       <a href {{action "quit"}} class='action-link quit' tabindex="11">{{i18n "wizard.quit"}}</a>
     {{/if}}
 
+    {{#if showFinishButton}}
+      <button class='wizard-btn finish' {{action "exitEarly"}} disabled={{saving}} tabindex="10">
+        {{i18n "wizard.finish"}}
+      </button>
+    {{/if}}
+
     {{#if showBackButton}}
       <a href {{action "backStep"}} class='action-link back' tabindex="11">{{i18n "wizard.back"}}</a>
     {{/if}}
@@ -43,12 +49,6 @@
       </button>
     {{/if}}
 
-    {{#if showFinishButton}}
-      <button class='wizard-btn finish' {{action "exitEarly"}} disabled={{saving}} tabindex="10">
-        {{i18n "wizard.finish"}}
-      </button>
-    {{/if}}
-
     {{#if showDoneButton}}
       <button class='wizard-btn done' {{action "quit"}} disabled={{saving}} tabindex="10">
         {{i18n "wizard.done"}}