Allow OAuth2 application management through DCR in sub organizations

[ShanChathusanda93]

Proposed changes in this pull request

• $subject
• Improvement for : Support for creating OAuth 2.0 clients inside B2B organizations for B2B API access wso2/product-is#21208
• OAuth2 application management will be allowed through the DCR endpoint.
  /t/{tenant-domain}/o/{org-id}/api/identity/oauth2/dcr/v1.1/register
• This change contains the following improvements in the sub organization level
  • OAuth2 application creation
  • OAuth2 application get by client id
  • OAuth2 application get by client / application name
  • OAuth2 application update by client id
  • OAuth2 application delete by client id
• Contains some supportive method improvements to the aforementioned main operations.

When should this PR be merged

• Need a kernel level improvement to be merged first and release a kernel version : Introduce application resident organization in carbon context wso2/carbon-kernel#4104

[ShanChathusanda93]

Need to update the kernel version to the new released version with the changes in wso2/carbon-kernel#4104

[ShanChathusanda93]

Updated to the latest kernel release 4.10.26[1]

[1] https://github.com/wso2/carbon-kernel/tree/v4.10.26

[Thumimku]

Hi @ShanChathusanda93,

⚠️ Notice: This PR has been open for a while. To keep the repository clean and up-to-date, this PR will be closed within the next two weeks if there is no further activity.

Please take one of the following actions:

• Merge the PR if it is ready.
• Close the PR if it is no longer relevant.
• Leave a comment explaining why it should remain open and provide an update on its progress.

Your prompt attention to this matter is greatly appreciated. Thank you for your understanding and collaboration! 🙏

[ShanChathusanda93]

Hi @ShanChathusanda93,

⚠️ Notice: This PR has been open for a while. To keep the repository clean and up-to-date, this PR will be closed within the next two weeks if there is no further activity.

Please take one of the following actions:

• Merge the PR if it is ready.
• Close the PR if it is no longer relevant.
• Leave a comment explaining why it should remain open and provide an update on its progress.

Your prompt attention to this matter is greatly appreciated. Thank you for your understanding and collaboration! 🙏

@Thumimku

This PR is in WIP and will be completed in next couple of days. Hence keeping this open as for now.

[codecov]

Codecov Report

Attention: Patch coverage is 42.98246% with 65 lines in your changes missing coverage. Please review.

Project coverage is 56.39%. Comparing base (654bc26) to head (a6843bf).

Files with missing lines	Patch %	Lines
...rg/wso2/carbon/identity/oauth/dao/OAuthAppDAO.java	12.00%	20 Missing and 2 partials ⚠️
...g/wso2/carbon/identity/oauth2/util/OAuth2Util.java	45.71%	15 Missing and 4 partials ⚠️
...entity/oauth/dcr/internal/DCRServiceComponent.java	0.00%	6 Missing ⚠️
...carbon/identity/oauth/dcr/service/DCRMService.java	78.57%	5 Missing and 1 partial ⚠️
...2/carbon/identity/oauth/OAuthAdminServiceImpl.java	50.00%	5 Missing and 1 partial ⚠️
...bon/identity/oauth/dcr/internal/DCRDataHolder.java	0.00%	3 Missing ⚠️
.../wso2/carbon/identity/oauth/OAuthAdminService.java	0.00%	3 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #2578      +/-   ##
============================================
- Coverage     56.43%   56.39%   -0.04%     
+ Complexity     8188     8186       -2     
============================================
  Files           632      632              
  Lines         46323    46410      +87     
  Branches       8245     8253       +8     
============================================
+ Hits          26141    26172      +31     
- Misses        16469    16514      +45     
- Partials       3713     3724      +11     

Flag	Coverage Δ
unit	38.66% <42.98%> (+<0.01%)	⬆️

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