Improve attribute validation in RangeSlider config

Refactored initConfig to explicitly check for null before validating slider attributes, ensuring default values are only used when attributes are missing. This prevents unintended fallback to defaults when attributes are present but falsy.

Author: JorchCortez

Dist/Functional/RangeSlider.js

@@ -203,19 +203,18 @@ addStyles() {
  * @private
  */
 initConfig() {
-    this.sliderMin =
-    this.validateNumber(this.slider.getAttribute('wt-rangeslider-min')) || 0;
-    this.sliderMax =
-    this.validateNumber(this.slider.getAttribute('wt-rangeslider-max')) ||
-    100;
-    this.sliderSteps =
-    this.validateNumber(this.slider.getAttribute('wt-rangeslider-steps')) ||
-    1;
+    const minAttr = this.slider.getAttribute('wt-rangeslider-min');
+    this.sliderMin = minAttr !== null ? this.validateNumber(minAttr) : 0;
+    
+    const maxAttr = this.slider.getAttribute('wt-rangeslider-max');
+    this.sliderMax = maxAttr !== null ? this.validateNumber(maxAttr) : 100;
+    
+    const stepsAttr = this.slider.getAttribute('wt-rangeslider-steps');
+    this.sliderSteps = stepsAttr !== null ? this.validateNumber(stepsAttr) : 1;
 
     // Minimum difference between left and right values
-    this.minDifference =
-    this.validateNumber(this.slider.getAttribute('wt-rangeslider-mindifference')) || 
-    this.sliderSteps;
+    const minDiffAttr = this.slider.getAttribute('wt-rangeslider-mindifference');
+    this.minDifference = minDiffAttr !== null ? this.validateNumber(minDiffAttr) : this.sliderSteps;
 
     // Show preffix
     this.rightSuffix =