PLT-7517 Added setting to enable tracing of Amazon S3 connections (#7349)

* PLT-7517 Added setting to enable tracing of Amazon S3 connections

* Removed unnecessary placeholders on boolean settings

* Added AmazonS3Trace to diagnostics

* Updated AmazonS3Trace setting name in system console

* Removing extra colon

app/diagnostics.go

@@ -290,6 +290,7 @@ func trackConfig() {
 		"amazon_s3_ssl":           *utils.Cfg.FileSettings.AmazonS3SSL,
 		"amazon_s3_sse":           *utils.Cfg.FileSettings.AmazonS3SSE,
 		"amazon_s3_signv2":        *utils.Cfg.FileSettings.AmazonS3SignV2,
+		"amazon_s3_trace":         *utils.Cfg.FileSettings.AmazonS3Trace,
 		"max_file_size":           *utils.Cfg.FileSettings.MaxFileSize,
 		"enable_file_attachments": *utils.Cfg.FileSettings.EnableFileAttachments,
 		"enable_mobile_upload":    *utils.Cfg.FileSettings.EnableMobileUpload,