Editor: Allow non-finite values in `Range`

Co-Authored-By: Aaron Franke <[email protected]>

scene/gui/range.cpp

@@ -135,10 +135,6 @@ void Range::set_value(double p_val) {
 }
 
 void Range::_set_value_no_signal(double p_val) {
-	if (!Math::is_finite(p_val)) {
-		return;
-	}
-
 	if (shared->step > 0) {
 		p_val = Math::round((p_val - shared->min) / shared->step) * shared->step + shared->min;
 	}