Footnotes: Add typography, dimensions, and border block supports (#53044

)

* Remove background and add link to default color controls

* Add typography, dimensions, and border controls

docs/reference-guides/core-blocks.md

@@ -275,7 +275,7 @@ Add a link to a downloadable file. ([Source](https://github.com/WordPress/gutenb
 
 -	**Name:** core/footnotes
 -	**Category:** text
--	**Supports:** color (background, link, text), ~~html~~, ~~multiple~~, ~~reusable~~
+-	**Supports:** color (background, link, text), spacing (margin, padding), typography (fontSize, lineHeight), ~~html~~, ~~multiple~~, ~~reusable~~
 -	**Attributes:** 
 
 ## Classic

packages/block-library/src/footnotes/block.json

@@ -9,16 +9,52 @@
 	"textdomain": "default",
 	"usesContext": [ "postId", "postType" ],
 	"supports": {
+		"__experimentalBorder": {
+			"radius": true,
+			"color": true,
+			"width": true,
+			"style": true,
+			"__experimentalDefaultControls": {
+				"radius": false,
+				"color": false,
+				"width": false,
+				"style": false
+			}
+		},
 		"color": {
+			"background": true,
 			"link": true,
+			"text": true,
 			"__experimentalDefaultControls": {
-				"background": true,
+				"link": true,
 				"text": true
 			}
 		},
 		"html": false,
 		"multiple": false,
-		"reusable": false
+		"reusable": false,
+		"spacing": {
+			"margin": true,
+			"padding": true,
+			"__experimentalDefaultControls": {
+				"margin": false,
+				"padding": false
+			}
+		},
+		"typography": {
+			"fontSize": true,
+			"lineHeight": true,
+			"__experimentalFontFamily": true,
+			"__experimentalTextDecoration": true,
+			"__experimentalFontStyle": true,
+			"__experimentalFontWeight": true,
+			"__experimentalLetterSpacing": true,
+			"__experimentalTextTransform": true,
+			"__experimentalWritingMode": true,
+			"__experimentalDefaultControls": {
+				"fontSize": true
+			}
+		}
 	},
 	"style": "wp-block-footnotes"
 }