Introduce Tinkernet multisig XCM configs to Kusama/Rococo through xcm-builder (#7165)

* Introduce Tinkernet multisig XCM configs

* fmt fix

* overflow handling, comments, clippy fixes

* Adding Tinkernet XCM configs to xcm-builder

* switching spaces to tab

* remove derivation.rs in favor of location_conversion.rs

* replace hardcoded literals with constants

* autoformat

* Fix for the unit test

* replacing expect with an error and renaming constants

* Resolving clippy warning

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Co-authored-by: parity-processbot <>