pallet_balances: Add `try_state` for checking `Holds` and `Freezes` #308

Job	Run time
set-image	9s
check-runtime-migration (asset-hub-westend)	3m 58s
check-runtime-migration (asset-hub-rococo)	15m 34s
check-runtime-migration (bridge-hub-westend)	3m 46s
check-runtime-migration (bridge-hub-rococo)	3m 48s
check-runtime-migration (contracts-rococo)	7m 28s
check-runtime-migration (collectives-westend)	3m 52s
check-runtime-migration (coretime-rococo)	3m 57s
	42m 32s

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