Merge branch 'v12-pre-release' into version-12

frappe/__init__.py

frappe/core/doctype/communication/email.py

frappe/core/doctype/report/report.js

frappe/desk/doctype/dashboard_chart/dashboard_chart.py

frappe/desk/doctype/dashboard_chart/test_dashboard_chart.py

frappe/email/doctype/email_queue/email_queue.json

frappe/email/email_body.py

frappe/email/test_email_body.py

frappe/model/base_document.py

frappe/model/db_query.py

frappe/patches.txt

frappe/patches/v12_0/remove_example_email_thread_notify.py

frappe/public/js/frappe/form/form.js

frappe/public/js/frappe/list/base_list.js

frappe/public/js/frappe/list/list_view.js

frappe/public/js/frappe/views/kanban/kanban_view.js

frappe/public/js/frappe/views/reports/report_view.js

frappe/tests/test_db_query.py

frappe/utils/__init__.py

frappe/utils/install.py