enhanced game table styles error handling with new error messages on load, apply and game table start.

src/gui/qt/resources/pokerth.qrc

@@ -50,6 +50,7 @@
         <file>text-plain.png</file>
         <file>document-open-folder.png</file>
         <file>emblem-important.png</file>
+        <file>emblem-important-64.png</file>
     </qresource>
     <qresource prefix="/cflags">
         <file>cflags/ad.png</file>