Embedding multiple superset dashboards into Odoo

[klbtheprogrammer]

This commit allows to configure and embed multiple Superset dashboards into Odoo.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 51.61290% with 15 lines in your changes missing coverage. Please review.

Project coverage is 28.90%. Comparing base (442fc29) to head (f82a82e).
Report is 8 commits behind head on 17.0-1.2.

Files with missing lines	Patch %	Lines
..._dashboard/models/g2p_superset_dashboard_config.py	50.00%	15 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##           17.0-1.2      #12      +/-   ##
============================================
+ Coverage     28.07%   28.90%   +0.83%     
============================================
  Files             9        9              
  Lines           374      384      +10     
  Branches         73       71       -2     
============================================
+ Hits            105      111       +6     
- Misses          269      273       +4     

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