Clear selection if event list loses focus

TODO.md

@@ -3,7 +3,6 @@
   - Copy text with triple click, copy text + name + date with quadruple click
   - Copy to X11 selection
   - Make scroll wheel usable
-  - Clear selection when focusing composer
 
 - Refactoring
   - Banners

src/qml/Base/HSelectableLabelContainer.qml

@@ -1,7 +1,10 @@
 import QtQuick 2.12
 import "../utils.js" as Utils
 
-Item {
+FocusScope {
+    onFocusChanged: if (! focus) clearSelection()
+
+
     signal deselectAll()