minor change to task-row.js

src/components/task-row.js

@@ -14,14 +14,14 @@ const TaskRow = props => {
       </button>
 
       <span>{task.desc}</span>
-      {!props.selectedProjectId ? (
+      {props.selectedProjectId ? null :
         <button
           className="btn btn-outline-dark ml-5"
           onClick={() => props.selectProject(task.projectId)}
         >
           {projectName}
         </button>
-      ) : null}
+      }
 
       <button
         className={`btn btn-${