fix(signature-engine): constrain NcSelect width with align-items: flex-start

Signed-off-by: Vitor Mattos <1079143+vitormattos@users.noreply.github.com>

Author: vitormattos

src/views/Settings/SignatureEngine.vue

@@ -69,5 +69,6 @@ export default {
 .signature-engine-content {
 	display: flex;
 	flex-direction: column;
+	align-items: flex-start;
 }
 </style>