fix(c3-chart): revise condition for re-generating donut-pct-charts to use 'indexOf' instead of 'includes'

Author: aptmac

src/charts/c3/c3-chart.component.js

@@ -99,7 +99,7 @@
             chartData.bindto = '#' + $attrs.id;
             // only re-generate donut pct chart if it has a threshold object
             // because it's colors will change based on data and thresholds
-            if (!chart || ($attrs.id.includes('donutPctChart') && chartData.thresholds)) {
+            if (!chart || ($attrs.id.indexOf('donutPctChart') !== -1 && chartData.thresholds)) {
               chart = c3.generate(chartData);
             } else {
               //if chart is already created, then we only need to re-load data