Add ButtonBaseLine metric

OpenRA.Mods.Common/Widgets/ButtonWidget.cs

@@ -30,7 +30,7 @@ namespace OpenRA.Mods.Common.Widgets
 		public string Background = "button";
 		public bool Depressed = false;
 		public int VisualHeight = ChromeMetrics.Get<int>("ButtonDepth");
-		public int BaseLine = 0;
+		public int BaseLine = ChromeMetrics.Get<int>("ButtonBaseLine");
 		public string Font = ChromeMetrics.Get<string>("ButtonFont");
 		public Color TextColor = ChromeMetrics.Get<Color>("ButtonTextColor");
 		public Color TextColorDisabled = ChromeMetrics.Get<Color>("ButtonTextColorDisabled");

mods/cnc/metrics.yaml

@@ -7,6 +7,7 @@ Metrics:
 	ButtonTextColorDisabled: 128,128,128
 	ButtonTextContrast: false
 	ButtonTextContrastColor: 0,0,0
+	ButtonBaseLine: 0
 	CheckboxPressedState: true
 	HotkeyFont: Regular
 	HotkeyColor: 255,255,255

mods/d2k/metrics.yaml

@@ -7,6 +7,7 @@ Metrics:
 	ButtonTextColorDisabled: 128,128,128
 	ButtonTextContrast: false
 	ButtonTextContrastColor: 0,0,0
+	ButtonBaseLine: 0
 	CheckboxPressedState: false
 	HotkeyFont: Regular
 	HotkeyColor: 255,255,255

mods/modchooser/metrics.yaml

@@ -7,6 +7,7 @@ Metrics:
 	ButtonTextColorDisabled: 128,128,128
 	ButtonTextContrast: false
 	ButtonTextContrastColor: 0,0,0
+	ButtonBaseLine: 0
 	CheckboxPressedState: true
 	HotkeyFont: Regular
 	HotkeyColor: 255,255,255

mods/ra/metrics.yaml

@@ -7,6 +7,7 @@ Metrics:
 	ButtonTextColorDisabled: 128,128,128
 	ButtonTextContrast: false
 	ButtonTextContrastColor: 0,0,0
+	ButtonBaseLine: 0
 	CheckboxPressedState: false
 	HotkeyFont: Regular
 	HotkeyColor: 255,255,255

mods/ts/metrics.yaml

@@ -7,6 +7,7 @@ Metrics:
 	ButtonTextColorDisabled: 128,128,128
 	ButtonTextContrast: false
 	ButtonTextContrastColor: 0,0,0
+	ButtonBaseLine: 0
 	CheckboxPressedState: false
 	HotkeyFont: Regular
 	HotkeyColor: 255,255,255