Add definedBy property for authenticators.

[Thisara-Welmilla]

Task Issue:

• Introduce new authenticator properties: DefinedBy and Authentication Type product-is#21111

Related PRs:

• Add definedBy property for authenticator databases. #5991
• Add definedBy property for authenticator identity-api-server#679

With this following properties will be introduce to the authenticator configs and Application Authenticators.

• DefinedBy - to indicate whether the authenticator is system-defined or user-defined.

1. SYSTEM: Sytem defined authenticators, all the existing authenticators are this type.
2. USER: User defined authenticators, all the custom authenticators of authentication extension come under this type.

With this PR following changes are added.

1. Add new property for authenticator config classes to hold the authenticator definedBy type.
2. Improve service layer with this property.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 26 lines in your changes missing coverage. Please review.

Project coverage is 39.88%. Comparing base (64eea15) to head (eb2ca3b).
Report is 10 commits behind head on add-definedBy-Type.

Files with missing lines	Patch %	Lines
...ion/common/model/FederatedAuthenticatorConfig.java	0.00%	7 Missing ⚠️
...ication/common/model/LocalAuthenticatorConfig.java	0.00%	7 Missing ⚠️
.../identity/base/AuthenticatorPropertyConstants.java	0.00%	4 Missing ⚠️
.../framework/internal/FrameworkServiceComponent.java	0.00%	3 Missing ⚠️
...g/wso2/carbon/idp/mgt/IdentityProviderManager.java	0.00%	3 Missing ⚠️
...n/common/model/RequestPathAuthenticatorConfig.java	0.00%	1 Missing ⚠️
...entication/framework/ApplicationAuthenticator.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@                   Coverage Diff                    @@
##             add-definedBy-Type    #5990      +/-   ##
========================================================
+ Coverage                 39.67%   39.88%   +0.21%     
- Complexity                14218    14327     +109     
========================================================
  Files                      1733     1735       +2     
  Lines                    119164   120657    +1493     
  Branches                  19755    20481     +726     
========================================================
+ Hits                      47278    48125     +847     
- Misses                    64666    65194     +528     
- Partials                   7220     7338     +118     

Flag	Coverage Δ
unit	23.92% <0.00%> (+0.11%)	⬆️

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