refactor: Thumbmail -> Thumbnail

src/MusicalScore/Graphical/DrawingParameters.ts

@@ -21,7 +21,7 @@ export class DrawingParameters {
         this.drawMarkedAreas = true;
     }
 
-    public setForThumbmail(): void {
+    public setForThumbnail(): void {
         this.drawHighlights = false;
         this.drawErrors = false;
         this.drawSelectionStartSymbol = false;

src/MusicalScore/Graphical/MusicSheetDrawer.ts

@@ -57,7 +57,7 @@ export abstract class MusicSheetDrawer {
         this.textMeasurer = textMeasurer;
         this.splitScreenLineColor = -1;
         if (isPreviewImageDrawer) {
-            this.drawingParameters.setForThumbmail();
+            this.drawingParameters.setForThumbnail();
         } else {
             this.drawingParameters.setForAllOn();
         }