fix theme json to disable custom colors and gradients

Author: cedric07

src/theme-json/colors.json

@@ -2,8 +2,13 @@
 	"version": 3,
 	"settings": {
 		"color": {
+			"duotone": [],
+			"customDuotone": false,
 			"defaultDuotone": false,
+			"gradients": [],
+			"customGradient": false,
 			"defaultGradients": false,
+			"custom": false,
 			"defaultPalette": false,
 			"palette": [
 				{

src/theme-json/typography.json

@@ -8,6 +8,7 @@
 			"dropCap": false,
 			"fontStyle": false,
 			"fontWeight": false,
+			"lineHeight": false,
 			"letterSpacing": false,
 			"textDecoration": false,
 			"textTransform": false,