fix(webui): properly center banner select highlight

webui/src/components/EntitySelect.svelte

@@ -76,10 +76,11 @@
             ctx.font = `bold ${rect.height / 2}px Inter`;
             ctx.textAlign = "center";
             ctx.textBaseline = "middle";
+            const fix = ctx.measureText("M").actualBoundingBoxDescent / 2;
             ctx.fillText(
               $i18n.t("Select All"),
               rect.left + rect.width / 2,
-              rect.top + rect.height / 2,
+              rect.top + rect.height / 2 + fix,
             );
           }
         }