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

Closes #154 (closed)

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

@@ -18,6 +18,7 @@
           <v-flex xs5 class="score-flex">
             <span class="mr-2">Score:</span>
             <input class="score-text-field"
+            v-shortkey="'numeric'" @shortkey="handleKeypress"
             id="score-input"
             type="number"
             step="0.5"
@@ -172,6 +173,18 @@ export default {
       } else {
         throw new Error("Can't skip submission when skippable is false for AnnotatedSubmissionBottomToolbar.")
       }
+    },
+    handleKeypress (event) {
+      // only handle keypress if nothing is focused
+      if (document.activeElement.tagName === "BODY") {
+        if (this.score === undefined) {
+          this.score = event.key
+        }
+
+        const scoreInput = document.getElementById('score-input')
+        scoreInput.scrollIntoView()
+        scoreInput.focus()
+      }
     }
   }
 }