Enable enter to go to next instructions step (#882)

When enter is pressed in EditInputGroup, there is an attempt to select
the next input field. This works for ingredients, which use inputs,
but not for instructions, which use textareas.
Signed-off-by: Marcel Robitaille <[email protected]>

Author: MarcelRobitaille

src/components/EditInputGroup.vue

@@ -287,8 +287,11 @@ export default {
                     ) {
                         this.addNewEntry()
                     } else {
+                        // Focus the next input or textarea
+                        // We have to check for both, as inputs are used for
+                        // ingredients and textareas are used for instructions
                         $ul.children[$pressedLiIndex + 1]
-                            .getElementsByTagName("input")[0]
+                            .querySelector("input, textarea")
                             .focus()
                     }
                 } else if (this.referencePopupEnabled && e.key === "#") {