fix(item): update hostContext to use ion-item element

fixes styling issues with children elements using the .in-item class

core/src/components/range/range.tsx

@@ -330,7 +330,7 @@ export class Range {
     return {
       class: {
         ...createColorClasses(this.color),
-        'in-item': hostContext('.item', this.el),
+        'in-item': hostContext('ion-item', this.el),
         'range-disabled': this.disabled,
         'range-pressed': this.pressedKnob !== undefined,
         'range-has-pin': this.pin