Ensure that already installed apps have chosen state

src/freedombone-addremove

@@ -107,6 +107,15 @@ function select_specific_app {
     app_name="$1"
     app_is_chosen="$2"
 
+    # make sure that already installed apps are chosen
+    app_index=0
+    # shellcheck disable=SC2068
+    for a in ${APPS_AVAILABLE[@]}
+    do
+        APPS_CHOSEN[$app_index]=${APPS_INSTALLED[$app_index]}
+        app_index=$((app_index+1))
+    done
+
     app_index=0
     # shellcheck disable=SC2068
     for a in ${APPS_AVAILABLE[@]}