Add component validation to SnapInterfaceController

[GuillaumeRx]

This updates SnapInterfaceController methods that handles content (createInterface and updateInterface) so that they validate the content passed (against the phishing list and the validity of the links for now).

The handlers return validation in SnapController has also been updated to only check the links if the content is passed directly.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (12b4b2e) 96.79% compared to head (3b2533f) 96.78%.

❗ Current head 3b2533f differs from pull request most recent head 97364d3. Consider uploading reports for the commit 97364d3 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2144      +/-   ##
==========================================
- Coverage   96.79%   96.78%   -0.02%     
==========================================
  Files         325      324       -1     
  Lines        7292     7269      -23     
  Branches     1126     1126              
==========================================
- Hits         7058     7035      -23     
  Misses        234      234              

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