feat(ui): add links to review request targets in issue comments (#8239)

- Add links to review request targets in issue comments
- Fix links to ghost users/orgs/teams to be empty

Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/8239
Reviewed-by: Gusted <gusted@noreply.codeberg.org>
Co-authored-by: Robert Wolff <mahlzahn@posteo.de>
Co-committed-by: Robert Wolff <mahlzahn@posteo.de>

models/organization/team_test.go

@@ -1,4 +1,5 @@
 // Copyright 2017 The Gitea Authors. All rights reserved.
+// Copyright 2025 The Forgejo Authors. All rights reserved.
 // SPDX-License-Identifier: MIT
 
 package organization_test
@@ -15,14 +16,33 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-func TestTeam_IsOwnerTeam(t *testing.T) {
+func TestTeam(t *testing.T) {
 	require.NoError(t, unittest.PrepareTestDatabase())
 
-	team := unittest.AssertExistsAndLoadBean(t, &organization.Team{ID: 1})
-	assert.True(t, team.IsOwnerTeam())
+	owners := unittest.AssertExistsAndLoadBean(t, &organization.Team{ID: 1})
+	assert.Equal(t, int64(3), owners.GetOrg(db.DefaultContext).ID)
+	assert.Equal(t, "/org/org3/teams/Owners", owners.Link(db.DefaultContext))
+	assert.False(t, owners.IsGhost())
+	assert.True(t, owners.IsOwnerTeam())
 
-	team = unittest.AssertExistsAndLoadBean(t, &organization.Team{ID: 2})
-	assert.False(t, team.IsOwnerTeam())
+	team1 := unittest.AssertExistsAndLoadBean(t, &organization.Team{ID: 2})
+	assert.Equal(t, int64(3), team1.GetOrg(db.DefaultContext).ID)
+	assert.Equal(t, "/org/org3/teams/team1", team1.Link(db.DefaultContext))
+	assert.False(t, team1.IsGhost())
+	assert.False(t, team1.IsOwnerTeam())
+
+	ghost := organization.NewGhostTeam()
+	assert.Equal(t, int64(-1), ghost.ID)
+	assert.Equal(t, int64(-1), ghost.GetOrg(db.DefaultContext).ID)
+	assert.Empty(t, ghost.Link(db.DefaultContext))
+	assert.True(t, ghost.IsGhost())
+	assert.False(t, ghost.IsOwnerTeam())
+
+	ghosted := organization.Team{ID: 10, Name: "Ghosted"}
+	assert.Equal(t, int64(-1), ghosted.GetOrg(db.DefaultContext).ID)
+	assert.Empty(t, ghosted.Link(db.DefaultContext))
+	assert.False(t, ghosted.IsGhost())
+	assert.False(t, ghosted.IsOwnerTeam())
 }
 
 func TestTeam_IsMember(t *testing.T) {