Fix VFS pagination on root dir (skipping properly the trash)

[nono]

No description provided.

[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (master@5e936a3). Click here to learn what that means.
The diff coverage is 81.57%.

@@            Coverage Diff            @@
##             master    #1134   +/-   ##
=========================================
  Coverage          ?   85.16%           
=========================================
  Files             ?      174           
  Lines             ?    52054           
  Branches          ?        0           
=========================================
  Hits              ?    44334           
  Misses            ?     6305           
  Partials          ?     1415

Impacted Files	Coverage Δ
web/jsonapi/jsonapi.go	70% <100%> (ø)
web/files/paginated.go	87.79% <78.78%> (ø)

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