Fix for using StrictName to define a specific Controller Role Name

[davidmccormick]

Correction/Bug - the IAMRoleController should always be a reference to the cloudformation role object unless it is managed externally, not just because we have used a strict name.

[k8s-ci-robot]

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[codecov-io]

Codecov Report

Merging #1516 into master will not change coverage.
The diff coverage is 0%.

@@           Coverage Diff           @@
##           master    #1516   +/-   ##
=======================================
  Coverage   25.46%   25.46%           
=======================================
  Files          97       97           
  Lines        5003     5003           
=======================================
  Hits         1274     1274           
  Misses       3582     3582           
  Partials      147      147

Impacted Files	Coverage Δ
pkg/api/controller.go	0% <0%> (ø)	⬆️

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