fix: add fallback tooltip for theme.json data with no name like blocksy

Author: Arukuen

src/components/advanced-range-control/index.js

@@ -175,7 +175,7 @@ const AdvancedRangeControl = props => {
 			]
 		}, [] )
 		propsToPass.renderTooltipContent = value => {
-			return props.marks[ value ]?.name || ''
+			return props.marks[ value ]?.name || props.marks[ value ]?.slug || ''
 		}
 
 		// Other necessary props for steps.

src/components/four-range-control/index.js

@@ -339,7 +339,7 @@ const FourRangeControl = memo( props => {
 				]
 			}, [] )
 			newProps.renderTooltipContent = value => {
-				return props.marks[ value ]?.name || ''
+				return props.marks[ value ]?.name || props.marks[ value ]?.slug || ''
 			}
 
 			// Other necessary props for steps.