ESLint: Re-enable rule control-has-associated-label (#10866)

* Re-enable rule control-has-associated-label

* Change aria-label message in DatasourceControl

Co-authored-by: Evan Rusackas <evan@preset.io>

Co-authored-by: Evan Rusackas <evan@preset.io>

superset-frontend/src/SqlLab/components/TableElement.jsx

@@ -213,6 +213,7 @@ class TableElement extends React.PureComponent {
           )}
           <i
             role="button"
+            aria-label="Toggle table"
             tabIndex={0}
             onClick={e => {
               this.toggleTable(e);