fix(CSVExportButton): convert : into _ when downloading a CSV (#5372)

Author: hoorayimhelping

src/shared/components/CSVExportButton.tsx

@@ -54,7 +54,7 @@ class CSVExportButton extends PureComponent<StateProps, {}> {
     const {files} = this.props
     const formatter = createDateTimeFormatter('YYYY-MM-DD HH:mm')
     const csv = files.join('\n\n')
-    const now = formatter.format(new Date()).replace(/\s+/gi, '_')
+    const now = formatter.format(new Date()).replace(/[:\s]+/gi, '_')
     const filename = `${now} InfluxDB Data`
 
     downloadTextFile(csv, filename, '.csv', 'text/csv')