Rename safe mode to recovery mode (#102580)

homeassistant/__main__.py

homeassistant/bootstrap.py

homeassistant/components/frontend/__init__.py

homeassistant/components/http/__init__.py

homeassistant/components/lovelace/__init__.py

homeassistant/components/lovelace/dashboard.py

homeassistant/core.py

homeassistant/helpers/check_config.py

homeassistant/loader.py

homeassistant/runner.py

tests/components/frontend/test_init.py

tests/components/http/test_init.py

tests/components/lovelace/test_dashboard.py

tests/helpers/test_check_config.py

tests/test_bootstrap.py

tests/test_core.py

tests/test_loader.py