fix(material/slider): keep ios safari slider value binding in sync (#27701)

* fix(material/slider): keep ios safari slider value binding in sync

* fixup! fix(material/slider): keep ios safari slider value binding in sync

(cherry picked from commit 291b9db)

Author: wagnermaciel

src/material/slider/slider-input.ts

@@ -375,14 +375,14 @@ export class MatSliderThumb implements _MatSliderThumb, OnDestroy, ControlValueA
         this._slider._getThumb(this.thumbPosition)._hostElement.getBoundingClientRect(),
       );
 
-      if (isCursorOnSliderThumb) {
-        this._isActive = true;
-      }
-    } else {
-      this._isActive = true;
-      this._setIsFocused(true);
+      this._isActive = isCursorOnSliderThumb;
+      this._updateWidthActive();
+      this._slider._updateDimensions();
+      return;
     }
 
+    this._isActive = true;
+    this._setIsFocused(true);
     this._updateWidthActive();
     this._slider._updateDimensions();