docs(Search): replace deprecated lifecycle methods in examples

[layershifter]

Refs #2732.

[codecov-io]

Codecov Report

Merging #3511 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3511   +/-   ##
=======================================
  Coverage   99.82%   99.82%           
=======================================
  Files         172      172           
  Lines        2804     2804           
=======================================
  Hits         2799     2799           
  Misses          5        5

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