deps command doesn't calculate correctly when require is not the first thing in ns

[furkan3ayraktar]

Describe the bug
deps command does not return correct result when the require statement is not the first statement inside namespace declaration.

To Reproduce
Steps to reproduce the behavior:

1. Create several components depending on each others interfaces
2. Include (:gen-class) before (:require ...)
3. Run lein polylith deps
4. No dependencies displayed

Expected behavior
deps command should display correct dependencies even if the (:require ...) statement is not the first thing in the namespace declaration

Operating System (please complete the following information):

• OS: MacOS
• Version 10.14

Versions (please complete the following information):

• Leiningen: 2.8.1
• Java: 1.8.0_181
• Polylith: 0.2.0