feat: add single sign on feature using SAML

[RawanMatar89]

Describtion:

added new button in sign in view named "Sign in with SSO" to be use for opening single sign on web view

Screenshots:

Before	After
e.g. when tap on "Sign in with SSO"

TODO:

• Rebase and remove the RTL commit
• Fix unit tests
• Get a full review

[openedx-webhooks]

Thanks for the pull request, @RawanMatar89! Please note that it may take us up to several weeks or months to complete a review and merge your PR.

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[OmarIthawi]

@RawanMatar89 please rebase over openedx:develop, resolve conflicts and fix the failing tests like:

[ProfileTests] Write Auxiliary File ProfileTests_vers.c
Error: type 'AuthInteractorProtocolMock' does not conform to protocol 'AuthInteractorProtocol'
open class AuthInteractorProtocolMock: AuthInteractorProtocol, Mock {
           ^
Error: type 'BaseRouterMock' does not conform to protocol 'BaseRouter'
open class BaseRouterMock: BaseRouter, Mock {
           ^
Error: type 'ProfileRouterMock' does not conform to protocol 'BaseRouter'
open class ProfileRouterMock: ProfileRouter, Mock {
           ^
[ProfileTests] Compiling EditProfileViewModelTests.swift

Testing failed:
	Type 'AuthInteractorProtocolMock' does not conform to protocol 'AuthInteractorProtocol'
	Type 'BaseRouterMock' does not conform to protocol 'BaseRouter'
	Type 'ProfileRouterMock' does not conform to protocol 'BaseRouter'
	Command SwiftCompile failed with a nonzero exit code
	Testing cancelled because the build failed.

** TEST FAILED **


The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ ProfileTests (in target 'ProfileTests' from project 'Profile')
	SwiftCompile normal arm64 Compiling\ ProfileMock.generated.swift,\ DeleteAccountViewModelTests.swift /Users/runner/work/openedx-app-ios/openedx-app-ios/Profile/ProfileTests/ProfileMock.generated.swift /Users/runner/work/openedx-app-ios/openedx-app-ios/Profile/ProfileTests/Presentation/DeleteAccount/DeleteAccountViewModelTests.swift (in target 'ProfileTests' from project 'Profile')
(2 failures)

[OmarIthawi]

@volodymyr-chekyrta we have a big feature that we'd like to merge here: SAML SSO.

I've assigned as a Reviewer, I understand you have other projects at hand so feel free to assign someone else.