fix: filter two consecutive identical scree view events

[zhu-xiaowei]

• PR title and description conform to Pull Request guidelines.

Description of changes:

1. filter two consecutive identical scree view events

How did you test these changes?
added new test case for two consecutive identical scree view events

Documentation update required?

• No
• Yes (Please include a PR link for the documentation update)

General Checklist

• Added Unit Tests

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov-commenter]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (5c61666) 87.20% compared to head (d9797bd) 87.26%.

Files	Patch %	Lines
...solution/clickstream/client/ScreenRefererTool.java	66.66%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main      #65      +/-   ##
============================================
+ Coverage     87.20%   87.26%   +0.06%     
- Complexity      454      455       +1     
============================================
  Files            42       42              
  Lines          1665     1665              
  Branches        152      152              
============================================
+ Hits           1452     1453       +1     
  Misses          135      135              
+ Partials         78       77       -1     

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