[examples] shaders_deferred_render example renders incorrectly

[TadCordle]

• I tested it on latest raylib version from master branch
• I checked there is no similar issue already reported
• I checked the documentation on the wiki
• My code has no errors or misuse of raylib

Issue description

The deferred render shader example no longer produces the correct result, after this commit. Reverting the commit seems to produce correct results again.

Related issue which includes some discussion/a possible solution: #4568

Environment

Windows 10, OpenGL 3.3, Geforce GTX-1080

Issue Screenshot

Current result:

Intended result

Code Example

See examples/shaders/shaders_deferred_render.c.

[veins1]

Should be fixed by #4676

[raysan5]

@TadCordle the example was recently reviewed by @veins1, closing issue!

[TadCordle]

Thanks @veins1! The ClearBackground() change seems to also fix the weirdness with my project that I mentioned in the other thread :)