Resolve "Eingabe einer Zahl außerhalb des Kommentarfeldes trägt Zahl in Score ein"

Closes #154 (closed)

frontend/src/components/submission_notes/toolbars/AnnotatedSubmissionBottomToolbar.vue

@@ -177,10 +177,7 @@ export default {
     handleKeypress (event) {
       // only handle keypress if nothing is focused
       if (document.activeElement.tagName === "BODY") {
-        if (this.score === undefined) {
-          this.score = event.key
-        }
-
+        this.score = event.key
         const scoreInput = document.getElementById('score-input')
         scoreInput.scrollIntoView()
         scoreInput.focus()