fix(error): (cmd/ctrl)+8 for debug menu

Author: adamdbradley

bin/ion-dev.css

@@ -336,8 +336,8 @@ window.IonicDevServer = {
       if (ev.metaKey || ev.ctrlKey) {
         // cmd or ctrl key held down
 
-        if (key == 49) {
-          // (cmd/ctrl + 1)
+        if (key == 56) {
+          // holding down cmd or ctrl, and 8
           self.toggleOptionsMenu();
         }
       }

bin/ion-dev.js

@@ -1,7 +1,7 @@
 
 .ion-diagnostics-header {
   background: $header-background;
-  border-bottom: 0.5px solid $header-border-color;
+  border-bottom: $hairlines-width solid $header-border-color;
   color: $header-text-color;
 }