Refactor SliderWebcomponent: Directly invoke _handleInputChange in attribute change handlers

- Removed the need to dispatch 'blur' events in attribute change handlers for `valueMin` and `valueMax`.
- Directly call `_handleInputChange` method in `_valueMinAttributeChanged` and `_valueMaxAttributeChanged`.
- Implemented type casting to properly handle the event target.
- Retained suppression of attribute change events to prevent infinite loops.

Author: 7evenk

src/slider/SliderWebcomponent.ts

@@ -322,14 +322,12 @@ export class SliderWebcomponent extends BaseCustomWebComponentConstructorAppend
 
     private _valueMinAttributeChanged() {
         if (!this._ready) return;
-        this._numberInputs[0].value = this.valueMin.toString();
-        this._numberInputs[0].dispatchEvent(new Event('blur', { bubbles: true }));
+        this._handleInputChange({ target: this._numberInputs[0] } as unknown as Event);
     }
 
     private _valueMaxAttributeChanged() {
         if (!this._ready) return;
-        this._numberInputs[1].value = this.valueMax.toString();
-        this._numberInputs[1].dispatchEvent(new Event('blur', { bubbles: true }));
+        this._handleInputChange({ target: this._numberInputs[1] } as unknown as Event);
     }
 
     private _minAttributeChanged() {