Improve flatpak lutris detection

Handles a scenario where both the stable and beta versions are installed

lug-helper.sh

@@ -157,7 +157,7 @@ max_download_items=20
 
 # Pixels to add for each Zenity menu option
 # used to dynamically determine the height of menus
-menu_option_height="25"
+menu_option_height="26"
 
 ######## Bundled Files #####################################################
 
@@ -894,18 +894,14 @@ lutris_detect() {
 
     # Detect native lutris
     if [ -x "$(command -v lutris)" ]; then
-        # Native Lutris is installed
         lutris_installed="true"
         lutris_native="true"
     fi
 
     # Detect flatpak lutris
-    if [ -x "$(command -v flatpak)" ]; then
-        flatpak info net.lutris.Lutris >/dev/null 2>&1
-        if [ "$?" -eq 0 ]; then
+    if [ -x "$(command -v flatpak)" ] && flatpak list --app | grep -q Lutris; then
             lutris_installed="true"
             lutris_flatpak="true"
-        fi
     fi
 }
 
@@ -1033,7 +1029,7 @@ download_select_delete() {
     # Configure the menu
     menu_text_zenity="Select the $download_type you want to remove:"
     menu_text_terminal="Select the $download_type you want to remove:"
-    menu_text_height="65"
+    menu_text_height="60"
     goback="Return to the $download_type management menu"
     unset installed_items
     unset installed_item_names
@@ -1364,7 +1360,7 @@ download_select_install() {
     # Configure the menu
     menu_text_zenity="Select the $download_type you want to install:"
     menu_text_terminal="Select the $download_type you want to install:"
-    menu_text_height="65"
+    menu_text_height="60"
     goback="Return to the $download_type management menu"
     unset menu_options
     unset menu_actions