[PM-14439] Add PolicyRequirementQuery for enforcement logic (#5336)

* Add PolicyRequirementQuery, helpers and models in preparation for migrating domain code

Co-authored-by: Rui Tomé <108268980+r-tome@users.noreply.github.com>

util/Migrator/DbScripts/2025-02-14_00_PolicyDetails_ReadByUserId.sql

@@ -0,0 +1,43 @@
+CREATE OR ALTER PROCEDURE [dbo].[PolicyDetails_ReadByUserId]
+    @UserId UNIQUEIDENTIFIER
+AS
+BEGIN
+    SET NOCOUNT ON
+SELECT
+    OU.[Id] AS OrganizationUserId,
+    P.[OrganizationId],
+    P.[Type] AS PolicyType,
+    P.[Data] AS PolicyData,
+    OU.[Type] AS OrganizationUserType,
+    OU.[Status] AS OrganizationUserStatus,
+    OU.[Permissions] AS OrganizationUserPermissionsData,
+    CASE WHEN EXISTS (
+            SELECT 1
+            FROM [dbo].[ProviderUserView] PU
+            INNER JOIN [dbo].[ProviderOrganizationView] PO ON PO.[ProviderId] = PU.[ProviderId]
+            WHERE PU.[UserId] = OU.[UserId] AND PO.[OrganizationId] = P.[OrganizationId]
+        ) THEN 1 ELSE 0 END AS IsProvider
+FROM [dbo].[PolicyView] P
+INNER JOIN [dbo].[OrganizationUserView] OU
+    ON P.[OrganizationId] = OU.[OrganizationId]
+INNER JOIN [dbo].[OrganizationView] O
+    ON P.[OrganizationId] = O.[Id]
+WHERE
+    P.Enabled = 1
+    AND O.Enabled = 1
+    AND O.UsePolicies = 1
+    AND (
+            -- OrgUsers who have accepted their invite and are linked to a UserId
+            -- (Note: this excludes "invited but revoked" users who don't have an OU.UserId yet,
+            -- but those users will go through policy enforcement later as part of accepting their invite after being restored.
+            -- This is an intentionally unhandled edge case for now.)
+            (OU.[Status] != 0 AND OU.[UserId] = @UserId)
+
+            -- 'Invited' OrgUsers are not linked to a UserId yet, so we have to look up their email
+            OR EXISTS (
+                SELECT 1
+                FROM [dbo].[UserView] U
+                WHERE U.[Id] = @UserId AND OU.[Email] = U.[Email] AND OU.[Status] = 0
+            )
+        )
+END