Fixes screenshot in categorization job how-to. (#2781) (#2783)

(cherry picked from commit 52f8272)

Co-authored-by: István Zoltán Szabó <[email protected]>

Author: mergify[bot]

docs/en/stack/ml/anomaly-detection/ml-category-analyzer.png renamed to docs/en/stack/ml/anomaly-detection/images/ml-category-analyzer.png

@@ -136,7 +136,7 @@ If you use the categorization wizard in {kib}, you can see which categorization
 You can also change the tokenization rules by customizing the way the categorization field values are interpreted:
 
 [role="screenshot"]
-image::images/categorization-wizard.png["Editing the categorization analyzer in Kibana"]
+image::images/ml-category-analyzer.png["Editing the categorization analyzer in Kibana"]
 
 The categorization analyzer can refer to a built-in {es} analyzer or a combination of zero or more character filters, a tokenizer, and zero or more token filters.
 In this example, adding a {ref}/analysis-pattern-replace-charfilter.html[`pattern_replace` character filter] achieves the same behavior as the `categorization_filters` job configuration option described earlier.