Changed showHelp default to true

[blackbaud-conorwright]

Now this will match the functionality of showSettings and still show the help button when only an event subscription has been applied

Issue: #17
Docs: N/A

[codecov-io]

Codecov Report

Merging #18 into master will not change coverage.
The diff coverage is 100%.

@@          Coverage Diff          @@
##           master    #18   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files          15     15           
  Lines         429    429           
  Branches       87     87           
=====================================
  Hits          429    429

Impacted Files	Coverage Δ
...rc/app/public/modules/tiles/tile/tile.component.ts	100% <100%> (ø)	⬆️

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