Füge fehlenden Kontext zu Maro in der RoomView hinzu

Vorher ist das immer geplatzt und die Raumansicht hat nicht funktioniert.

src/plainui/jinja2/plainui/room.html.j2

-{% import "plainui/components/integrations.html.j2" as integrations %}
+{% import "plainui/components/integrations.html.j2" as integrations with context %}
 {% import "plainui/components/markdown.html.j2" as markdownMacro %}
 {% import "plainui/components/list_events.html.j2" as list_events with context %}
 {% import "plainui/components/nav.html.j2" as navMacro with context %}