UMP: Support Overweight messages (#3575)

* Introduce new config: ump_max_individual_weight

* Implement overweight msg stashing

* Test

* Add migration module.

Also introduces a test for migration

* Integrate ExecuteOverweightOrigin to runtimes

* Fix more stuff

* Add `yeet` into dictionary

* Use suggested `Error` variant names

* typo

* Use 20ms as the maximum individual message weight

* Update the test value

* rustfmt

* Clean up

* Remove deprecated field from host config

* Remove missed _hrmp_open_request_ttl

* Apply typo fix suggestion

Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>

* Rename `migration::migrate_to_latest`

* Restore `_hrmp_open_request_ttl` in `v0::HostConfiguration`

* Apply suggestion for a rustdoc

* Apply the suggestion

* Test v0 config with the raw production data fetched from Kusama

* Update runtime/parachains/src/ump.rs

Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>

* Expose migration functions

* Fix spellcheck

Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>
Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
Co-authored-by: Keith Yeung <kungfukeith11@gmail.com>

polkadot/node/service/src/chain_spec.rs

@@ -185,7 +185,6 @@ fn default_parachains_host_configuration(
 		ump_service_total_weight: 4 * 1_000_000_000,
 		max_upward_message_size: 1024 * 1024,
 		max_upward_message_num_per_candidate: 5,
-		_hrmp_open_request_ttl: 5,
 		hrmp_sender_deposit: 0,
 		hrmp_recipient_deposit: 0,
 		hrmp_channel_max_capacity: 8,