QmlDesigner: Use filter on display and type names

The filter was applied just to the display names which
was confusing. We use the display and typ name with this patch.

Task-number: QTCREATORBUG-19054
Change-Id: I5671d8d615bbb89d3a46a76fd45f88d0f76c8557
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>

src/plugins/qmldesigner/components/itemlibrary/itemlibraryitem.cpp

@@ -42,6 +42,11 @@ QString ItemLibraryItem::itemName() const
     return m_itemLibraryEntry.name();
 }
 
+QString ItemLibraryItem::typeName() const
+{
+    return QString::fromUtf8(m_itemLibraryEntry.typeName());
+}
+
 QString ItemLibraryItem::itemLibraryIconPath() const
 {
     //Prepend image provider prefix

src/plugins/qmldesigner/components/itemlibrary/itemlibraryitem.h

@@ -48,6 +48,7 @@ public:
     ~ItemLibraryItem();
 
     QString itemName() const;
+    QString typeName() const;
     QString itemLibraryIconPath() const;
 
     bool setVisible(bool isVisible);

src/plugins/qmldesigner/components/itemlibrary/itemlibrarysection.cpp

@@ -75,7 +75,8 @@ bool ItemLibrarySection::updateSectionVisibility(const QString &searchText, bool
     *changed = false;
 
     foreach(ItemLibraryItem *itemLibraryItem, m_sectionEntries.items()) {
-        bool itemVisible = itemLibraryItem->itemName().toLower().contains(searchText);
+        bool itemVisible = itemLibraryItem->itemName().toLower().contains(searchText)
+                || itemLibraryItem->typeName().toLower().contains(searchText);
 
         bool itemChanged = itemLibraryItem->setVisible(itemVisible);