Add applicationData to setInvitation endpoint

[jakdan99]

No description provided.

[github-actions]

Coverage Report

Status	Category	Percentage	Covered / Total
🟢	Lines	84.88% (🎯 80%)	1511 / 1780
🟢	Statements	84.88% (🎯 80%)	1511 / 1780
🟢	Functions	86.06% (🎯 80%)	105 / 122
🟢	Branches	94.15% (🎯 80%)	145 / 154

File Coverage

File	Stmts	Branches	Functions	Lines	Uncovered Lines
Changed Files
src/endpoints/study/index.ts	100%	100%	100%	100%

Generated in workflow #38 for commit 847e02c by the Vitest Coverage Report Action