Removed wrong package name in install C++ libraries step

Author: Reim-developer

.github/workflows/linux_dev.yml

@@ -32,9 +32,7 @@ jobs:
                sudo apt-get update
                sudo apt-get install -y \
                git cmake make ccache \
-               qt6-base-dev clang \
-               libqt6core6-dev
-
+               qt6-base-dev clang 
 
         - name: Add Rust components
           shell: bash

src/front_end/include/abstract_table_model.hxx

@@ -6,9 +6,9 @@
 #include <qlist.h>
 #include <qnamespace.h>
 #include <qtmetamacros.h>
-#include <qtypes.h>
 #include <qvariant.h>
 
+#include <QtTypes>
 #include <algorithm>
 #include <climits>
 #include <cstdint>