Add GUI setting to control savegame overwrite confirmation dialog

Adjust game ID indications in save window UI

src/table/settings.ini

@@ -4023,6 +4023,19 @@ def      = 16
 min      = 0
 max      = 255
 
+[SDTC_OMANY]
+var      = gui.savegame_overwrite_confirm
+type     = SLE_UINT8
+flags    = SLF_NOT_IN_SAVE | SLF_NO_NETWORK_SYNC
+str      = STR_CONFIG_SETTING_SAVEGAME_OVERWRITE_CONFIRM
+strhelp  = STR_CONFIG_SETTING_SAVEGAME_OVERWRITE_CONFIRM_HELPTEXT
+strval   = STR_CONFIG_SETTING_SAVEGAME_OVERWRITE_CONFIRM_DISABLED
+guiflags = SGF_MULTISTRING
+full     = _savegame_overwrite_confirm
+def      = 3
+min      = 0
+max      = 3
+
 [SDTC_BOOL]
 var      = gui.auto_euro
 flags    = SLF_NOT_IN_SAVE | SLF_NO_NETWORK_SYNC