[backend/frontend] Properly generate types for chaining injects

[Dimfacion]

Proposed changes

• Properly generate types for chaining injects

Related issues

Checklist

• I consider the submitted work as finished
• I tested the code for its functionality
• I wrote test cases for the relevant uses case
• I added/update the relevant documentation (either on github or on notion)
• Where necessary I refactored code to improve the overall quality

Further comments

If this is a relatively large or complex change, kick off the discussion by explaining why you chose the solution you did and what alternatives you considered, etc...

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 32.02%. Comparing base (8eabb12) to head (ed5041f).
Report is 4 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #1830      +/-   ##
============================================
- Coverage     32.06%   32.02%   -0.04%     
  Complexity     1609     1609              
============================================
  Files           561      561              
  Lines         16861    16882      +21     
  Branches        984      984              
============================================
  Hits           5406     5406              
- Misses        11211    11232      +21     
  Partials        244      244              

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