Enable economy day length scaling in wallclock timekeeping mode

src/table/settings.h.preamble

@@ -12,6 +12,7 @@ static size_t ConvertLandscape(const char *value);
 
 static StringID SettingTitleWallclock(const IntSettingDesc &sd);
 static StringID SettingHelpWallclock(const IntSettingDesc &sd);
+static StringID SettingHelpWallclockTriple(const IntSettingDesc &sd);
 
 /* Callback function used in _settings[] as well as _gui_settings[] */
 static void UpdateTimeSettings(int32_t new_value);

src/table/settings/economy_settings.ini

@@ -24,6 +24,7 @@ static void TownZoneCustomValueChanged(int32_t new_value);
 static bool OrderTownGrowthRate(SettingOnGuiCtrlData &data);
 static bool TownCargoScaleGUI(SettingOnGuiCtrlData &data);
 static bool IndustryCargoScaleGUI(SettingOnGuiCtrlData &data);
+static bool TownCargoScaleModeGUI(SettingOnGuiCtrlData &data);
 static bool IndustryCargoScaleModeGUI(SettingOnGuiCtrlData &data);
 static bool CalendarModeDisabledGUI(SettingOnGuiCtrlData &data);
 static bool WallclockModeDisabledGUI(SettingOnGuiCtrlData &data);
@@ -236,7 +237,6 @@ strval   = STR_JUST_COMMA
 post_cb  = DayLengthChanged
 cat      = SC_BASIC
 extver   = SlXvFeatureTest(XSLFTO_AND, XSLFI_VARIABLE_DAY_LENGTH)
-guiproc  = WallclockModeDisabledGUI
 patxname = ""variable_day_length.economy.day_length_factor""
 
 [SDT_BOOL]
@@ -257,7 +257,7 @@ var      = economy.bribe
 def      = true
 str      = STR_CONFIG_SETTING_BRIBE
 strhelp  = STR_CONFIG_SETTING_BRIBE_HELPTEXT
-help_cb  = SettingHelpWallclock
+help_cb  = SettingHelpWallclockTriple
 post_cb  = [](auto) { SetWindowClassesDirty(WC_TOWN_AUTHORITY); }
 cat      = SC_BASIC
 
@@ -267,7 +267,7 @@ from     = SLV_79
 def      = true
 str      = STR_CONFIG_SETTING_ALLOW_EXCLUSIVE
 strhelp  = STR_CONFIG_SETTING_ALLOW_EXCLUSIVE_HELPTEXT
-help_cb  = SettingHelpWallclock
+help_cb  = SettingHelpWallclockTriple
 post_cb  = [](auto) { SetWindowClassesDirty(WC_TOWN_AUTHORITY); }
 cat      = SC_BASIC
 
@@ -789,7 +789,7 @@ strhelp  = STR_CONFIG_SETTING_CARGO_SCALE_MODE_HELPTEXT
 strval   = STR_CONFIG_SETTING_CARGO_SCALE_MODE_MONTHLY
 cat      = SC_BASIC
 post_cb  = [](auto) { InvalidateWindowClassesData(WC_GAME_OPTIONS); UpdateCargoScalers(); }
-guiproc  = WallclockModeDisabledGUI
+guiproc  = TownCargoScaleModeGUI
 
 [SDT_VAR]
 var      = economy.industry_cargo_scale_mode