Make search always visible (PR #67)

* Moved search bar to toolbar and consolidated search options into dropdown list
* Updated GUI tests to be atomic and rewrote search tests
* Searches are saved between databases
* Search is cleared when all databases are closed
* Implemented global search shortcut (CTRL+F) and a notification bar when in search mode

src/gui/DatabaseWidgetStateSync.cpp

@@ -48,16 +48,13 @@ void DatabaseWidgetStateSync::setActive(DatabaseWidget* dbWidget)
     if (m_activeDbWidget) {
         m_blockUpdates = true;
 
-        if (!m_splitterSizes.isEmpty()) {
+        if (!m_splitterSizes.isEmpty())
             m_activeDbWidget->setSplitterSizes(m_splitterSizes);
-        }
 
-        if (m_activeDbWidget->isGroupSelected()) {
-            restoreListView();
-        }
-        else {
+        if (m_activeDbWidget->isInSearchMode())
             restoreSearchView();
-        }
+        else
+            restoreListView();
 
         m_blockUpdates = false;