Fix importing blueprint from community (#44104)

homeassistant/components/blueprint/importer.py

@@ -108,10 +108,10 @@ def _extract_blueprint_from_community_topic(
         if block_syntax not in ("auto", "yaml"):
             continue
 
-        block_content = block_content.strip()
+        block_content = html.unescape(block_content.strip())
 
         try:
-            data = yaml.parse_yaml(html.unescape(block_content))
+            data = yaml.parse_yaml(block_content)
         except HomeAssistantError:
             if block_syntax == "yaml":
                 raise

tests/components/blueprint/test_importer.py

@@ -173,6 +173,7 @@ async def test_fetch_blueprint_from_community_url(hass, aioclient_mock, communit
         imported_blueprint.blueprint.metadata["source_url"]
         == "https://community.home-assistant.io/t/test-topic/123/2"
     )
+    assert "gt;" not in imported_blueprint.raw_data
 
 
 @pytest.mark.parametrize(