Comment 14 for bug 157941

here is the dump of the accelerator map and as you can see there is no command to restore the toolbar

; sol GtkAccelMap rc-file -*- scheme -*-
; this file is an automated accelerator map dump
;
; (gtk_accel_path "<Actions>/MenuActions/HelpMenu" "")
; (gtk_accel_path "<Actions>/MenuActions/RestartGame" "")
; (gtk_accel_path "<Actions>/MenuActions/GameMenu" "")
; (gtk_accel_path "<Actions>/MenuActions/Deal" "<Control>d")
; (gtk_accel_path "<Actions>/LaunchpadIntegration/LaunchpadAppTranslate" "")
; (gtk_accel_path "<Actions>/LaunchpadIntegration/LaunchpadAppInfo" "")
; (gtk_accel_path "<Actions>/MenuActions/Hint" "<Control>h")
; (gtk_accel_path "<Actions>/MenuActions/RedoMove" "<Shift><Control>z")
; (gtk_accel_path "<Actions>/MenuActions/Toolbar" "")
; (gtk_accel_path "<Actions>/MenuActions/ViewMenu" "")
; (gtk_accel_path "<Actions>/MenuActions/Contents" "F1")
; (gtk_accel_path "<Actions>/LaunchpadIntegration/LaunchpadAppBugs" "")
; (gtk_accel_path "<Actions>/MenuActions/LeaveFullscreen" "F11")
; (gtk_accel_path "<Actions>/MenuActions/UndoMove" "<Control>z")
; (gtk_accel_path "<Actions>/MenuActions/OptionsMenu" "")
; (gtk_accel_path "<Actions>/MenuActions/HelpGame" "<Shift>F1")
; (gtk_accel_path "<Actions>/MenuActions/Fullscreen" "F11")
; (gtk_accel_path "<Actions>/MenuActions/NewGame" "<Control>n")
; (gtk_accel_path "<Actions>/MenuActions/About" "")
; (gtk_accel_path "<Actions>/MenuActions/ClickToMove" "")
; (gtk_accel_path "<Actions>/MenuActions/ThemeMenu" "")
; (gtk_accel_path "<Actions>/MenuActions/ControlMenu" "")
; (gtk_accel_path "<Actions>/MenuActions/RecentMenu" "")
; (gtk_accel_path "<Actions>/MenuActions/Select" "<Control>o")
; (gtk_accel_path "<Actions>/MenuActions/Statistics" "")
; (gtk_accel_path "<Actions>/MenuActions/CloseWindow" "<Control>w")
; (gtk_accel_path "<Actions>/MenuActions/Sound" "")

is it possible to make the necessary changes in a config file? if so, where can it be found?
Regards
Michael