fix: add missing child key props

Author: alx

src/components/widgets/TrainingMonitor/components/MeasureChart/index.js

@@ -433,7 +433,7 @@ class MeasureChart extends React.Component {
     const badgeIndex = index % 8;
 
     return (
-      <h3>
+      <h3 key={`badge-${badgeIndex}`}>
         <i className={`fa fa-circle chart-badge-${badgeIndex}`} />
         {displayedValue}{" "}
         {this.props.showMinValue && minValue && minValue !== '--' ? (

src/components/widgets/TrainingMonitor/components/MeasureHistArray/TableItem.js

@@ -119,7 +119,7 @@ class TableItem extends React.Component {
     const badgeIndex = index % 8;
 
     return (
-      <h4>
+      <h4 key={`badge-${badgeIndex}`}>
         <i className={`fa fa-circle chart-badge-${badgeIndex}`} />
         {value}
         {bestValue ? bestValue : null}
@@ -152,6 +152,7 @@ class TableItem extends React.Component {
 
     return (
       <Sparklines
+        key={`sparkline-${index}`}
         data={sparkData}
         min={Math.floor(Math.min(...sparkData))}
         max={Math.ceil(Math.max(...sparkData))}