[log] fix action's update()

Use current event's presentation, not the template one.
(cherry picked from commit fe846c1)
IDEA-116621 Groovy: Extract Parameter Refactoring: 'Replace this occurrence only' replaces all occurrences in current method [^peter]
IDEA-116837 Groovy: don't suggest to shorten references in comments [^peter]
IDEA-116378 only expressions are available in loop conditions [^peter]
IDEA-95170 closure parameter type [^peter]
IDEA-116784 Error Parsing Regex /\s/ in Groovy [^Peter]