Modularize ballot unmarshall

[emduc]

Small PR to clean up the method to unmarshall ballots. Also adapts the tests for the ballots after the changes made to link the front end.

[coveralls]

Pull Request Test Coverage Report for Build 2541336196

• 92 of 114 (80.7%) changed or added relevant lines in 1 file are covered.
• 29 unchanged lines in 2 files lost coverage.
• Overall coverage increased (+1.6%) to 62.533%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
contracts/evoting/types/ballots.go	92	114	80.7%

Files with Coverage Reduction	New Missed Lines	%
contracts/evoting/types/election.go	2	15.79%
contracts/evoting/types/ballots.go	27	83.33%

Totals
Change from base Build 2535659071:	1.6%
Covered Lines:	3101
Relevant Lines:	4959

---

💛 - Coveralls

[nkcr]

Thanks! Got a few comments

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
6 Code Smells

65.5% Coverage
0.0% Duplication

[coveralls]

Pull Request Test Coverage Report for Build 2541336196

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 92 of 114 (80.7%) changed or added relevant lines in 1 file are covered.
• 29 unchanged lines in 2 files lost coverage.
• Overall coverage increased (+1.6%) to 62.533%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
contracts/evoting/types/ballots.go	92	114	80.7%

Files with Coverage Reduction	New Missed Lines	%
contracts/evoting/types/election.go	2	15.79%
contracts/evoting/types/ballots.go	27	83.33%

Totals
Change from base Build 2535659071:	1.6%
Covered Lines:	3101
Relevant Lines:	4959

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 2540981190

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 114 of 114 (100.0%) changed or added relevant lines in 1 file are covered.
• 41 unchanged lines in 2 files lost coverage.
• Overall coverage increased (+2.8%) to 63.732%

---

Files with Coverage Reduction	New Missed Lines	%
contracts/evoting/types/ballots.go	1	98.89%
contracts/evoting/types/election.go	40	20.29%

Totals
Change from base Build 2535659071:	2.8%
Covered Lines:	3163
Relevant Lines:	4963

---

💛 - Coveralls