added support for specifing in an account not defined in flow.json as…

[bjartek]

… signer

Closes #???

Description

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For contributor use:

• Targeted PR against main branch
• Code follows the standards mentioned here
• Updated relevant documentation
• Re-reviewed Files changed in the Github PR explorer

[github-actions]

Unit Test Results

259 tests  +1   259 ✔️ +1   54s ⏱️ -5s
    6 suites ±0       0 💤 ±0 
    1 files   ±0       0 ❌ ±0 

Results for commit c5b6910. ± Comparison against base commit 8331a93.

♻️ This comment has been updated with latest results.

[github-actions]

Pull Request Test Coverage Report for Build 6548023598

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 149 unchanged lines in 3 files lost coverage.
• Overall coverage decreased (-0.6%) to 74.326%

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Files with Coverage Reduction	New Missed Lines	%
result.go	27	76.22%
interaction_builder.go	42	84.42%
state.go	80	82.16%

Totals
Change from base Build 6548025647:	-0.6%
Covered Lines:	2371
Relevant Lines:	3190

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💛 - Coveralls