fix: add space validation to prevent invalid settings

[wa0x6e]

Related to pitch https://github.com/orgs/snapshot-labs/projects/12/views/7?pane=issue&itemId=43161232

Add validation to prevent:

• ticket strategy without validation
• using testnet on snapshot.org, and mainnet on demo
• don’t have proposal validation / authors only
• Add tests

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (b76f1a9) 44.58% compared to head (3b34878) 46.93%.

❗ Current head 3b34878 differs from pull request most recent head 9be288b. Consider uploading reports for the commit 9be288b to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #239      +/-   ##
==========================================
+ Coverage   44.58%   46.93%   +2.34%     
==========================================
  Files          33       32       -1     
  Lines        2050     2086      +36     
  Branches      158      186      +28     
==========================================
+ Hits          914      979      +65     
+ Misses       1130     1102      -28     
+ Partials        6        5       -1     

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[ChaituVR]

tAck

[samuveth]

The UI is not ready for this yet, why was this merged? @ChaituVR

[samuveth]

This is going to cause much confusion without the UI