fix hiding mizer wizard box

tabs/mixer.html

@@ -84,17 +84,17 @@
                         </div>
                     </div>
                 </div>
-                <div class="platform-type gui_box grey">
+                <div class="platform-type gui_box grey" id="mixer-wizard-gui_box" is-hidden>
                     <div class="gui_box_titlebar">
                         <div class="spacer_box_title" data-i18n="mixerWizard"></div>
                     </div>
-
-                <div class="spacer_box">
-                    <div class="btn default_btn narrow green is-hidden">
-                        <a id="mixer-wizard" href="#" data-i18n="mixerWizard"></a>
+                
+                    <div class="spacer_box">
+                        <div class="btn default_btn narrow green">
+                            <a id="mixer-wizard" href="#" data-i18n="mixerWizard"></a>
+                        </div>
                     </div>
                 </div>
-              </div>
             </div>
         </div>
         <div class="clear-both"></div>

tabs/mixer.js

@@ -696,9 +696,9 @@ TABS.mixer.initialize = function (callback, scrollPosition) {
             FC.MIXER_CONFIG.appliedMixerPreset = presetId;
 
             if (currentMixerPreset.id == 3) {
-                $wizardButton.parent().removeClass("is-hidden");
+                $("#mixer-wizard-gui_box").removeClass("is-hidden");
             } else {
-                $wizardButton.parent().addClass("is-hidden");
+                $("#mixer-wizard-gui_box").addClass("is-hidden");
             }
 
             if (FC.MIXER_CONFIG.platformType == PLATFORM.AIRPLANE && currentMixerPreset.id != loadedMixerPresetID) {