Disallow event tracking with empty/whitespace categories (#11819)

* trim event values before checking if they are empty

* Prevent possible archiving failures for already tracked empty event categories

* Throw exception when tracking events with empty category or action

* move trim method

* Log console error when tracking events without category or action

* rebuilt piwik.js

1 files changed, 54 insertions, 53 deletions

diff --git a/piwik.js b/piwik.js
index a16819268a..4e9422f670 100644
--- a/piwik.js
+++ b/piwik.js
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