Pre-initialisation registry install fix

[kzscisoft]

Fixes a bug where the global config is partially made when the registry is installed, this causes things to break later on if purging etc.

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
11 Code Smells

No Coverage information
0.0% Duplication

[codecov]

Codecov Report

Merging #144 (942a059) into develop (e787777) will decrease coverage by 0.09%.
The diff coverage is 37.50%.

@@             Coverage Diff             @@
##           develop     #144      +/-   ##
===========================================
- Coverage    73.15%   73.05%   -0.10%     
===========================================
  Files           24       24              
  Lines         3047     3051       +4     
===========================================
  Hits          2229     2229              
- Misses         818      822       +4     

Impacted Files	Coverage Δ
fair/session.py	63.09% <0.00%> (-0.91%)	⬇️
fair/registry/server.py	82.77% <100.00%> (+0.45%)	⬆️

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