…ge approach in-app notification

…ferences

… to validate email templates

…nd work to EASI-4491

* feat: added feature migration, data models, gql

* chore: updated sql queries

* feat: several major improvements to first semi-functional data exchange approach in-app notification

* chore: updated postman collection to get all notifications

* chore: updated frontend gql and backend gql for user notification preferences

* chore: added simple resolver helper to dispatch emails and email test to validate email templates

* chore: removed resolved question

* chore: Reset all frontend files to main branch as we split the frontend work to EASI-4491

* chore: reran gql gen

* chore: email unit test for data exchange approach completed

* chore: removed unnecessary Scan and Value methods

* chore: added unit test for activity data exchange complete notification

* chore: implemented resolver for data exchange approach completed notification preferences

* fix: updated various test definitions to match new user account preferences spec

* chore: removed outdated comment

* chore: updated postman collection renaming markedCompletedBy -> markedCompleteBy

* chore: converted data exchange approach complete meta to id

# Conflicts:
#	cmd/dbseed/main.go
#	cmd/test_email/main.go
#	pkg/email/template_service_impl.go
#	pkg/graph/generated/generated.go
#	src/gql/gen/graphql.ts

…ta_exchange_approach

# Conflicts:
#	MINT.postman_collection.json
#	cmd/dbseed/main.go
#	cmd/test_email/main.go
#	pkg/email/template_service_impl.go
#	pkg/graph/generated/generated.go
#	pkg/graph/resolvers/activity.resolvers.go
#	pkg/graph/resolvers/added_as_collaborator_email_test.go
#	pkg/graph/resolvers/data_exchange_approach_helper.go
#	pkg/graph/resolvers/plan_collaborator_test.go
#	pkg/graph/resolvers/resolver_test.go
#	pkg/graph/resolvers/resolver_test_utilities.go
#	pkg/graph/resolvers/user_notification_preferences.resolvers.go
#	pkg/graph/schema/types/activity.graphql
#	pkg/models/data_exchange_approach.go
#	pkg/models/data_exchange_approach_completed_activity_meta.go
#	pkg/notifications/data_exchange_approach_completed.go
#	src/gql/gen/graphql.ts

# Conflicts:
#	pkg/graph/generated/generated.go

…:CMSgov/mint-app into feature/MINT-2720_data_exchange_approach

…thub.com/CMSgov/mint-app into feature/MINT-2720_data_exchange_approach

… MarkedByDts rather than explicit boolean field

…:CMSgov/mint-app into feature/MINT-2720_data_exchange_approach

# Conflicts:
#	migrations/V176__Add_Data_Exchange_Approach.sql

…list sections

…ail services are non-nil

… into task/MINT-2550_dea_notif

…a_notif

# Conflicts:
#	pkg/graph/resolvers/plan_data_exchange_approach_test.go

…nces for data Exchange

…a_notif

…a_notif

…a_notif