Inspector: Fix slider dimensions. (#32177)

examples/jsm/inspector/ui/Values.js

@@ -216,7 +216,7 @@ class ValueSlider extends Value {
 
 		const numberValue = new ValueNumber( { value, min, max, step } );
 		this.numberInput = numberValue.input;
-		this.numberInput.style.width = '60px';
+		this.numberInput.style.flexBasis = '80px';
 		this.numberInput.style.flexShrink = '0';
 
 		this.slider.value = value;