[GITEA] Use correct translations for pull request

- When a commit references a pull request, the detail strings should
reflect that. Add a new translation string for the pull request.
- Added integration tests.
- Resolves #2256

(cherry picked from commit 0d054cd4d998957bd499bfebe4002290526c5b92)

tests/integration/fixtures/TestCommitRefComment/comment.yml

@@ -0,0 +1,17 @@
+-
+  id: 1000
+  type: 4 # commit ref
+  poster_id: 2
+  issue_id: 2 # in repo_id 2
+  content: 4a357436d925b5c974181ff12a994538ddc5a269
+  created_unix: 1706469348
+  updated_unix: 1706469348
+
+-
+  id: 1001
+  type: 4 # commit ref
+  poster_id: 2
+  issue_id: 1 # in repo_id 2
+  content: 4a357436d925b5c974181ff12a994538ddc5a269
+  created_unix: 1706469348
+  updated_unix: 1706469348

tests/integration/issue_test.go

@@ -770,3 +770,30 @@ func TestGetContentHistory(t *testing.T) {
 		testCase(t, loginUser(t, "user5"), true)
 	})
 }
+
+func TestCommitRefComment(t *testing.T) {
+	defer tests.AddFixtures("tests/integration/fixtures/TestCommitRefComment/")()
+	defer tests.PrepareTestEnv(t)()
+
+	t.Run("Pull request", func(t *testing.T) {
+		defer tests.PrintCurrentTest(t)()
+
+		req := NewRequest(t, "GET", "/user2/repo1/pulls/2")
+		resp := MakeRequest(t, req, http.StatusOK)
+		htmlDoc := NewHTMLParser(t, resp.Body)
+
+		event := htmlDoc.Find("#issuecomment-1000 .text").Text()
+		assert.Contains(t, event, "referenced this pull request")
+	})
+
+	t.Run("Issue", func(t *testing.T) {
+		defer tests.PrintCurrentTest(t)()
+
+		req := NewRequest(t, "GET", "/user2/repo1/issues/1")
+		resp := MakeRequest(t, req, http.StatusOK)
+		htmlDoc := NewHTMLParser(t, resp.Body)
+
+		event := htmlDoc.Find("#issuecomment-1001 .text").Text()
+		assert.Contains(t, event, "referenced this issue")
+	})
+}