Backport missing changes to WP 6.5 schema and docs (#61264)

* Add backgroundSize setting

* Fix default shadow defaultPrests

* Update docs

* Update appearanceTools description

* Fix block.json schema

Co-authored-by: ajlende <ajlende@git.wordpress.org>
Co-authored-by: fabiankaegy <fabiankaegy@git.wordpress.org>

docs/reference-guides/theme-json-reference/theme-json-living.md

@@ -31,7 +31,7 @@ Code editors can pick up the schema and can provide helpful hints and suggestion
 
 Setting that enables the following UI tools:
 
-- background: backgroundImage
+- background: backgroundImage, backgroundSize
 - border: color, radius, style, width
 - color: link
 - dimensions: aspectRatio, minHeight
@@ -72,7 +72,7 @@ Settings related to shadows.
 
 | Property  | Type   | Default | Props  |
 | ---       | ---    | ---    |---   |
-| defaultPresets | boolean | false |  |
+| defaultPresets | boolean | true |  |
 | presets | array |  | name, shadow, slug |
 
 ---
@@ -107,6 +107,7 @@ Settings related to background.
 | Property  | Type   | Default | Props  |
 | ---       | ---    | ---    |---   |
 | backgroundImage | boolean | false |  |
+| backgroundSize | boolean | false |  |
 
 ---
 

schemas/json/block.json

@@ -346,6 +346,22 @@
 						}
 					}
 				},
+				"background": {
+					"type": "object",
+					"description": "This value signals that a block supports some of the CSS style properties related to background. When it does, the block editor will show UI controls for the user to set their values if the theme declares support.\n\nWhen the block declares support for a specific background property, its attributes definition is extended to include the style attribute.",
+					"properties": {
+						"backgroundImage": {
+							"type": "boolean",
+							"description": "Allow blocks to define a background image.",
+							"default": false
+						},
+						"backgroundSize": {
+							"type": "boolean",
+							"description": "Allow blocks to define values related to the size of a background image, including size, position, and repeat controls",
+							"default": false
+						}
+					}
+				},
 				"html": {
 					"type": "boolean",
 					"description": "By default, a block’s markup can be edited individually. To disable this behavior, set html to false.",

schemas/json/theme.json

@@ -20,7 +20,7 @@
 			"type": "object",
 			"properties": {
 				"appearanceTools": {
-					"description": "Setting that enables the following UI tools:\n\n- background: backgroundImage\n- border: color, radius, style, width\n- color: link\n- dimensions: aspectRatio, minHeight\n- position: sticky\n- spacing: blockGap, margin, padding\n- typography: lineHeight",
+					"description": "Setting that enables the following UI tools:\n\n- background: backgroundImage, backgroundSize\n- border: color, radius, style, width\n- color: link\n- dimensions: aspectRatio, minHeight\n- position: sticky\n- spacing: blockGap, margin, padding\n- typography: lineHeight",
 					"type": "boolean",
 					"default": false
 				}
@@ -77,7 +77,7 @@
 						"defaultPresets": {
 							"description": "Allow users to choose shadows from the default shadow presets.",
 							"type": "boolean",
-							"default": false
+							"default": true
 						},
 						"presets": {
 							"description": "Shadow presets for the shadow picker.\nGenerates a single custom property (`--wp--preset--shadow--{slug}`) per preset value.",
@@ -258,6 +258,11 @@
 							"description": "Allow users to set a background image.",
 							"type": "boolean",
 							"default": false
+						},
+						"backgroundSize": {
+							"description": "Allow users to set values related to the size of a background image, including size, position, and repeat controls.",
+							"type": "boolean",
+							"default": false
 						}
 					},
 					"additionalProperties": false