Remove reference to current search object when search ends

Author: Phoenix616

src/main/java/de/themoep/entitydetection/EntityDetection.java

@@ -80,6 +80,7 @@ public boolean stopSearch(String stopper) {
             return false;
         }
         currentSearch.stop(stopper);
+        clearCurrentSearch();
         return true;
     }
 
@@ -92,6 +93,10 @@ public void addResult(SearchResult<?> result) {
         }
     }
 
+    public void clearCurrentSearch() {
+        currentSearch = null;
+    }
+
     public EntitySearch getCurrentSearch() {
         return currentSearch;
     }

src/main/java/de/themoep/entitydetection/searcher/EntitySearch.java

@@ -173,5 +173,6 @@ public void run() {
         plugin.addResult(result);
         plugin.send(owner, result);
         running = false;
+        plugin.clearCurrentSearch();
     }
 }