fix(sql-editor): Fix run stop button color to improve usability (#23892)

Co-authored-by: aadhikari <aadhikari@apple.com>

superset-frontend/src/SqlLab/components/RunQueryActionButton/index.tsx

@@ -146,7 +146,9 @@ const RunQueryActionButton = ({
               ),
               trigger: 'click',
             }
-          : { buttonStyle: 'primary' })}
+          : {
+              buttonStyle: shouldShowStopBtn ? 'warning' : 'primary',
+            })}
       >
         {buildText(shouldShowStopBtn, selectedText)}
       </ButtonComponent>

superset-frontend/src/explore/components/RunQueryButton/index.tsx

@@ -42,7 +42,7 @@ export const RunQueryButton = ({
 }: RunQueryButtonProps) =>
   loading ? (
     <Button onClick={onStop} buttonStyle="warning" disabled={!canStopQuery}>
-      <i className="fa fa-stop-circle-o" /> {t('Stop')}
+      <i className="fa fa-stop" /> {t('Stop')}
     </Button>
   ) : (
     <Button