Fix mixed intrinsic and extrinsic camera parameters in OpenGL projection matrix

[jslee02]

This PR fixes the incorrect projection matrix computation in OpenGL due to the misplaced gluLookAt() calls.

Fixes #1484.

---

Before creating a pull request

• (N/A) Document new methods and classes
• Format new code files using clang-format

Before merging a pull request

• Set version target by selecting a milestone on the right side
• Summarize this change in CHANGELOG.md
• (N/A) Add unit test(s) for this change

[codecov]

Codecov Report

Merging #1485 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1485   +/-   ##
=======================================
  Coverage   58.05%   58.05%           
=======================================
  Files         414      414           
  Lines       30004    30004           
=======================================
  Hits        17419    17419           
  Misses      12585    12585