Add message on last block scan

[reqlez]

Current code breaks out of loop before final message is shown, this can be confusing as it may appear to be stuck.

Moved status message before break and added complete message before break.

[coveralls]

Pull Request Test Coverage Report for Build 4359756576

• 0 of 2 (0.0%) changed or added relevant lines in 1 file are covered.
• 2 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-0.02%) to 60.968%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
core/src/oracle_state.rs	0	2	0.0%

Files with Coverage Reduction	New Missed Lines	%
core/src/oracle_state.rs	2	0%

Totals
Change from base Build 4352214996:	-0.02%
Covered Lines:	2040
Relevant Lines:	3346

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💛 - Coveralls

[greenhat]

Thank you!