(RichText)(Workaround)(17.1.x) Fallback to a string arg in `collapseW…

…hiteSpace()` if `value` is not a string (#56570)

* (RichText)(Fix)(Workaround) Make sure value is always a string to avoid TypeErorrs

See the comments in this changeset for more info on why this was needed.

* Use a more localized fix that does not change the argument

packages/rich-text/src/component/index.js

@@ -71,7 +71,9 @@ export function useRichText( {
 	function setRecordFromProps() {
 		_value.current = value;
 		record.current = create( {
-			html: preserveWhiteSpace ? value : collapseWhiteSpace( value ),
+			html: preserveWhiteSpace
+				? value
+				: collapseWhiteSpace( typeof value === 'string' ? value : '' ),
 		} );
 		if ( disableFormats ) {
 			record.current.formats = Array( value.length );