fix: reduce number of database queries caused by voter

src/Entity/Assignment.php

@@ -464,6 +464,19 @@ class Assignment implements BlameableEntityInterface, TimestampableEntityInterfa
         return $this;
     }
 
+    public function getDispositionByTeamer(Teamer $teamer): ?Disposition
+    {
+        $dispositions = $this->dispositions->filter(function (Disposition $disposition) use ($teamer) {
+            return $disposition->getTeamer() === $teamer;
+        });
+
+        if (0 === count($dispositions)) {
+            return null;
+        }
+
+        return $dispositions->first();
+    }
+
     public function getValidDispositions(): Collection
     {
         return $this->dispositions->filter(function (Disposition $disposition) {