PAS-559 | Authorization handler is being executed concurrently.

[jonashendrickx]

Ticket

• Closes PAS-559

Description

1. We will need IDbContextFactory, this won't fix it permanently. Authorization handlers can be executed concurrently when Blazor/Razor components are being rendered.
2. Adds the alias route '/signup' back for '/organization/create'

Shape

n/a

Screenshots

Checklist

I did the following to ensure that my changes were tested thoroughly:

• __

I did the following to ensure that my changes do not introduce security vulnerabilities:

• __

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 12.00000% with 22 lines in your changes missing coverage. Please review.

Project coverage is 34.83%. Comparing base (4d08754) to head (b622961). Report is 1 commits behind head on main.

Files	Patch %	Lines
src/AdminConsole/Authorization/HasAppHandler.cs	0.00%	8 Missing :warning:
...dminConsole/Middleware/CurrentContextMiddleware.cs	0.00%	6 Missing :warning:
src/AdminConsole/Services/DataService.cs	0.00%	6 Missing :warning:
src/AdminConsole/Program.cs	0.00%	1 Missing :warning:
...dminConsole/Services/OrganizationFeatureService.cs	0.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #673 +/- ## ========================================== - Coverage 34.85% 34.83% -0.02% ========================================== Files 565 565 Lines 30945 30961 +16 Branches 923 924 +1 ========================================== + Hits 10785 10786 +1 - Misses 20018 20033 +15 Partials 142 142 ```

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