fixed minimap slider width when page is scroll horizontally.

Author: AiverReaver

src/vs/editor/browser/viewParts/minimap/minimap.ts

@@ -1389,10 +1389,8 @@ class InnerMinimap extends Disposable {
 		this._slider.setHeight(layout.sliderHeight);
 
 		// Compute horizontal slider coordinates
-		const scrollLeftChars = renderingCtx.scrollLeft / this._model.options.typicalHalfwidthCharacterWidth;
-		const horizontalSliderLeft = Math.min(this._model.options.minimapWidth, Math.round(scrollLeftChars * this._model.options.minimapCharWidth / this._model.options.pixelRatio));
-		this._sliderHorizontal.setLeft(horizontalSliderLeft);
-		this._sliderHorizontal.setWidth(this._model.options.minimapWidth - horizontalSliderLeft);
+		this._sliderHorizontal.setLeft(0);
+		this._sliderHorizontal.setWidth(this._model.options.minimapWidth);
 		this._sliderHorizontal.setTop(0);
 		this._sliderHorizontal.setHeight(layout.sliderHeight);