#38664: Create MinimapCharRenderer only when needed for painting

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

@@ -439,8 +439,6 @@ export class Minimap extends ViewPart {
 	private readonly _sliderMouseMoveMonitor: GlobalMouseMoveMonitor<IStandardMouseMoveEventData>;
 	private readonly _sliderMouseDownListener: IDisposable;
 
-	private readonly _minimapCharRenderer: MinimapCharRenderer;
-
 	private _options: MinimapOptions;
 	private _lastRenderData: RenderData;
 	private _buffers: MinimapBuffers;
@@ -482,8 +480,6 @@ export class Minimap extends ViewPart {
 
 		this._tokensColorTracker = MinimapTokensColorTracker.getInstance();
 
-		this._minimapCharRenderer = getOrCreateMinimapCharRenderer();
-
 		this._applyLayout();
 
 		this._mouseDownListener = dom.addStandardDisposableListener(this._canvas.domNode, 'mousedown', (e) => {
@@ -734,7 +730,7 @@ export class Minimap extends ViewPart {
 					useLighterFont,
 					renderMinimap,
 					this._tokensColorTracker,
-					this._minimapCharRenderer,
+					getOrCreateMinimapCharRenderer(),
 					dy,
 					tabSize,
 					lineInfo.data[lineIndex]