XWIKI-22523: Hitting the Enter key in fields on XWiki pages opens the hamburger content menu

* Added type=`button` on the edit form buttons (that are not here for form submission) so that we avoid mistakenly triggering them implicitely.

(cherry picked from commit d20f671d)

xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-skin/xwiki-platform-flamingo-skin-resources/src/main/resources/flamingo/menus_content.vm

@@ -151,7 +151,7 @@
  *#
 #macro(displayMenu $id $icon $menuContent $titleKey $titleAsLabel $actionUrl $extraAttribute)
   <div class="btn-group" id="$id">
-    <#if ("$!actionUrl" == '')button#{else}a#end class="btn btn-default#if ("$!actionUrl" == '') dropdown-toggle#end" title="$services.localization.render($titleKey)"##
+    <#if ("$!actionUrl" == '')button type="button"#{else}a#end class="btn btn-default#if ("$!actionUrl" == '') dropdown-toggle#end" title="$services.localization.render($titleKey)"##
     #if ("$!actionUrl" != '')
       href="$actionUrl"
     #else

xwiki-platform-core/xwiki-platform-web/xwiki-platform-web-templates/src/main/resources/templates/hierarchy_macros.vm

@@ -227,9 +227,10 @@
       ## If the rootId is null, this means that the root is the home. Which means that we're on the first tree, which doesn't show exactly the same thing as the others.
       #set ($togglerTextAlternative = "<span class='sr-only'>$escapetool.xml($services.localization.render('web.hierarchy.toggler.label.parents', [$pathData.get($openToIndex).label])) </span>")
     #end
-    #set ($treeToggle = "<button class='dropdown-toggle' data-toggle='dropdown'>" +
+    #set ($treeToggle = "<button class='dropdown-toggle' type='button' data-toggle='dropdown'>" +
       $togglerTextAlternative +
-      "$services.icon.renderHTML('caret-down')</button>")
+      $services.icon.renderHTML('caret-down') +
+      "</button>")
     #set ($treeNavigation = "$treeToggle<div class='dropdown-menu'>#documentTree($treeParams)</div>")
   #end
 #end