update offramp layout

[RensR]

Motivation

Some header are outdated.

The exec logic is above the commit logic, but then after the commit logic we have the token handling logic, which is only used for exec. It has been moved to be above the commit logic

[github-actions]

LCOV of commit 1c95745 during Solidity Foundry #8137

Summary coverage rate:
  lines......: 97.7% (2195 of 2247 lines)
  functions..: 94.9% (411 of 433 functions)
  branches...: 93.4% (524 of 561 branches)

Files changed coverage rate: n/a

[cl-sonarqube-production]

Quality Gate passed

Issues
0 New issues
0 Fixed issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarQube