Fix MyProfile actor/identity/role queries; make its functional tests strict

[pcoldico]

Summary

pyegeria: MyProfile actor, identity and role queries (ISSUE-116)

Three more MyProfile methods had the same defect as get_my_resources (ISSUE-115, fixed in #413). Each sent its rendering hint to Egeria as metadataElementTypeName, and none of the endpoints' .http examples send a type filter. Checked live for erinoverview, garygeeke and peterprofile:

Method	Before	After
get_my_actors	Failed on every call: OMAG-REPOSITORY-HANDLER-404-001	The user's UserIdentity and role elements
get_my_user_identities	"No elements found" for every user	The user's UserIdentity
get_my_roles	"No elements found" for every user	The user's PersonRole and GovernanceRole elements

The fix is filter_results_by_type=False on all three. The offline micro-test from #413, renamed to test_my_profile_no_type_filter.py, now covers all four endpoints. The three new cases fail without the fix.

tests/functional-tests/test_my_profile.py: tests no longer hide failures

All 18 tests used to pass, but 7 did so only because errors were caught and printed ("failed as expected or due to env"). The rewrite:

• Errors fail the test: PyegeriaException is no longer caught, and results must be non-empty wherever every demo user has data. That's how the bugs above were found.
• Tests for removed methods replaced: three tests called MyProfile.get_to_do, get_to_dos_by_type and update_to_do, which no longer exist. They raised AttributeError, which was caught and printed. They're replaced by to-do lifecycle tests using create_my_todo, get_asset_by_guid, update_asset and delete_asset.
• No hard-coded GUIDs: two tests used actor and sponsor GUIDs that don't exist on a fresh quick start. They now create their own to-do or action and query by the user's profile GUID.
• Clean-up fixed: the to-do teardown never deleted anything. Its OpenMetadataDeleteRequestBody failed pyegeria's request-body validation, so every run left a ToDo behind. To-dos are now deleted with delete_asset; the to-do count is the same before and after a run.

Noted, not changed: AssetMaker.get_assigned_actions, get_actions_for_sponsor and get_actions_for_requester default to activity_status_list=["IN_PROGRESS"], so a newly created (REQUESTED) action isn't returned unless the caller passes the statuses. The tests pass them explicitly. Details are in ISSUE-116.

Test plan

• tests/functional-tests/test_my_profile.py: 18/18 pass against the Egeria quick start.
• Against the SDK without the fix, the actor, identity and role functional tests fail.
• test_my_profile_no_type_filter.py: 8/8 pass, offline and selected by CI's -m unit.
• CI-equivalent pytest tests/micro-tests/ -m unit exits 0.

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