fix(Accidentals): remove many unnecessary extra courtesy accidentals not given in XML (#747)

reverting some unfortunate side effects of 8357fd4e9c606bd7f9a3e364798cd927df5935c9

src/MusicalScore/Graphical/AccidentalCalculator.ts

@@ -32,6 +32,7 @@ export class AccidentalCalculator {
      */
     public doCalculationsAtEndOfMeasure(): void {
         this.currentInMeasureNoteAlterationsDict.clear();
+        this.currentAlterationsComparedToKeyInstructionList.clear();
         for (const key of this.keySignatureNoteAlterationsDict.keys()) {
             this.currentInMeasureNoteAlterationsDict.setValue(key, this.keySignatureNoteAlterationsDict.getValue(key));
         }