Fix hiding of empty portlets on special pages

* Increased selector specificy so that .emptyPortlet works on portlets within
  #mw-page-header-links
* Moved the `ca-more` dropdown, only shown on mobile, into a new portlet so that
  `p-views` is really empty on Special pages, and has class .emptyPortlet
* Moved languages dropdown, also only shown on mobile, into the new portlet too.
  This way on special pages the two dropdowns are in a single <ul> list with two
  items, rather than two adjacent list each with one item. Also, grouping the
  mobile-only items together means the desktop CSS only has to hide the portlet,
  rather than the individual ietms.

Bug: T182533
Change-Id: I496af1805d200e1fd67b1232e1b3b029b08b82ca

TimelessTemplate.php

@@ -73,6 +73,11 @@ class TimelessTemplate extends BaseTemplate {
 								$this->pileOfTools['namespaces'],
 								'timeless-namespaces'
 							) .
+							$this->getPortlet(
+								'more',
+								$this->pileOfTools['more'],
+								'timeless-more'
+							) .
 							$this->getPortlet(
 								'views',
 								$this->pileOfTools['page-primary'],
@@ -583,6 +588,7 @@ class TimelessTemplate extends BaseTemplate {
 			'page-secondary' => [],
 			'user' => [],
 			'page-tertiary' => [],
+			'more' => [],
 			'general' => []
 		];
 
@@ -617,7 +623,7 @@ class TimelessTemplate extends BaseTemplate {
 			'class' => 'dropdown-toggle'
 		];
 
-		// Goes in the page-primary in mobile, doesn't appear otherwise
+		// Only appears in mobile
 		if ( $this->data['language_urls'] !== false ) {
 			$pileOfTools['languages'] = [
 				'text' => $this->getMsg( 'timeless-languages' )->escaped(),
@@ -661,11 +667,7 @@ class TimelessTemplate extends BaseTemplate {
 		foreach ( $pileOfTools as $navKey => $navBlock ) {
 			$currentSet = null;
 
-			if ( in_array( $navKey, [
-				'contributions',
-				'more',
-				'languages'
-			] ) ) {
+			if ( $navKey === 'contributions' ) {
 				$currentSet = 'page-primary';
 			} elseif ( in_array( $navKey, [
 				'blockip',
@@ -682,6 +684,11 @@ class TimelessTemplate extends BaseTemplate {
 				'permalink'
 			] ) ) {
 				$currentSet = 'page-tertiary';
+			} elseif ( in_array( $navKey, [
+				'more',
+				'languages'
+			] ) ) {
+				$currentSet = 'more';
 			} else {
 				$currentSet = 'general';
 			}

resources/screen-common.less

@@ -228,7 +228,8 @@ div.suggestions {
 		margin-right: 1em;
 	}
 }
-#p-views {
+#p-views,
+#p-more {
 	float: right;
 
 	li {
@@ -525,7 +526,8 @@ table.wikitable > * > tr > th {
 }
 
 /* Portlets */
-.emptyPortlet {
+.emptyPortlet,
+#mw-page-header-links .emptyPortlet {
 	display: none;
 }
 #p-lang.emptyPortlet {
@@ -536,6 +538,7 @@ table.wikitable > * > tr > th {
 
 #p-namespaces h3,
 #p-views h3,
+#p-more h3,
 #p-search h3 {
 	.hidden;
 }

resources/screen-desktop.less

@@ -105,8 +105,7 @@
 	}
 }
 
-#mw-page-header-links #ca-more,
-#mw-page-header-links #ca-languages,
+#mw-page-header-links #p-more,
 .sidebar-chunk h2 {
 	display: none;
 }