Snapshots: Store dashboard data encrypted in the database (#28129)

* end 2 end

* fix import

* refactor

* introduce securedata

* check err

* use testify instead of convey

* cleanup test

* cleanup test

* blob time

* rename funcs

pkg/components/securedata/securedata.go

@@ -0,0 +1,16 @@
+package securedata
+
+import (
+	"github.com/grafana/grafana/pkg/setting"
+	"github.com/grafana/grafana/pkg/util"
+)
+
+type SecureData []byte
+
+func Encrypt(data []byte) (SecureData, error) {
+	return util.Encrypt(data, setting.SecretKey)
+}
+
+func (s SecureData) Decrypt() ([]byte, error) {
+	return util.Decrypt(s, setting.SecretKey)
+}