fix(layout): prevent dom api calls on server

[yggg]

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Short description of what this resolves:

Fixes #1060

[codecov]

Codecov Report

Merging #1107 into master will decrease coverage by 0.02%.
The diff coverage is 0%.

@@            Coverage Diff            @@
##           master   #1107      +/-   ##
=========================================
- Coverage   76.63%   76.6%   -0.03%     
=========================================
  Files         200     200              
  Lines        6060    6062       +2     
  Branches      464     465       +1     
=========================================
  Hits         4644    4644              
- Misses       1307    1308       +1     
- Partials      109     110       +1

Impacted Files	Coverage Δ
...mework/theme/components/layout/layout.component.ts	76.16% <0%> (-0.9%)	⬇️