fixed an issue in the GE download part of the script

install.sh

@@ -116,7 +116,6 @@ if [[ $GET_PROTON -eq 1 ]] then
                 exit 1
             fi
         fi
-        cd "$work_dir"
 
         echo "Extracting $tarball_name to the Steam compatibility tools folder..."
         tar -xf $tarball_name -C $STEAM_CUTOM_PROTON_PATH
@@ -131,6 +130,8 @@ if [[ $GET_PROTON -eq 1 ]] then
             echo "The newly downloaded Proton failed"
             exit 1
         fi
+
+        cd "$work_dir"
     elif [[ "$answer" == "n" || "$answer" == "no" || "$answer" == "N" ]] then
         echo "Please install proton thru other means."
         exit 1