Fix renderer selection for view files with double extensions

[vjik]

Q	A
Is bugfix?	✔️
New feature?	❌
Breaks BC?	❌
Fix #289

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.51%. Comparing base (533b8b0) to head (5772eac).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #300   +/-   ##
=========================================
  Coverage     99.51%   99.51%           
- Complexity      310      313    +3     
=========================================
  Files            19       19           
  Lines           822      829    +7     
=========================================
+ Hits            818      825    +7     
  Misses            4        4           

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