scatter plot : tooltip with pathway name

src/components/MyScatterChart.vue

@@ -85,9 +85,9 @@ const bubbleChartOptions = computed(() => {
     tooltip: {
       position: "top",
       formatter: function (params) {
-        let str =
-          "<h5>" + params.value[3] + "</h5><br />" + props.choiceBiodata ==
-          "METABOLITES"
+        let str = params.value[3] + "<br />";
+        str +=
+          props.choiceBiodata == "METABOLITES"
             ? "Number of metabolites : "
             : "Number of reactions : " + params.value[2] + "<br />";
         switch (props.valueType) {