[Fixes #7535] Issues with .env GEOSERVER_ADMIN_PASSWORD

[jthurner]

When initializing the geonode stack with docker, the password for the geoserver admin user is changed from the default to the value of $GEOSERVER_ADMIN_PASSWORD. Subsequent password changes require manual intervention to update the password in geoserver (even if FORCE_REINIT=true).

OGC_SERVER_DEFAULT_PASSWORD and OGC_SERVER_DEFAULT_USER are redundant as they always took the value of GEOSERVER_ADMIN_PASSWORD/GEOSERVER_ADMIN_USER if defined, replaced with GEOSERVER_ADMIN_PASSWORD/GEOSERVER_ADMIN_USER to avoid confusion.

Corresponding issues in geonode-project:

• Layer upload process failed geonode-project#332
• Geoserver Passwort not set on fresh install geonode-project#172
• GEOSERVER admin password seems not be updated  geonode-project#209

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[codecov]

Codecov Report

Merging #9911 (dc5a082) into master (a85faae) will decrease coverage by 0.00%.
The diff coverage is 50.00%.

@@            Coverage Diff             @@
##           master    #9911      +/-   ##
==========================================
- Coverage   61.39%   61.38%   -0.01%     
==========================================
  Files         823      823              
  Lines       50328    50328              
  Branches     7746     7746              
==========================================
- Hits        30898    30896       -2     
- Misses      17753    17756       +3     
+ Partials     1677     1676       -1     

[gitguardian]

⚠️ GitGuardian has uncovered 1 secret following the scan of your pull request.

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🔎 Detected hardcoded secret in your pull request

GitGuardian id	Secret	Commit	Filename
-	Django Secret Key	63f1c8d	.env.sample	View secret

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[t-book]

@jthurner your CLA is missing: https://github.com/GeoNode/geonode/blob/master/CONTRIBUTING.md
@giohappy @mattiagiupponi old PR (28/08/22) but useful? Should I test it?

[ridoo]

This PR may have become superseded. It seems that the fixture to change the geoserver password got removed completely. This is actually good, as this raised so many issues.

@afabiani as you did the change, you should decide on this issue. What about all the other open issues targeting the same problem? I did a quick naive search and have the impression that a lot of them originate to the same problem.