further bug fixes when using context path

[Ludy87]

Description

further bug fixes when using context path

Checklist:

• I have read the Contribution Guidelines
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• My changes generate no new warnings

Contributor License Agreement

By submitting this pull request, I acknowledge and agree that my contributions will be included in Stirling-PDF and that they can be relicensed in the future under the MPL 2.0 (Mozilla Public License Version 2.0) license.

(This does not change the general open-source nature of Stirling-PDF, simply moving from one license to another license)

[Frooodle]

Is this needed?
Not seen any issues for this

[Ludy87]

before:

after:

I think it is also future-proof. If you do not agree, you can also reject the PR.

[Frooodle]

Seems valid :)
Just would want client to build path as much as possible Vs server building path

But I think it makes sense to be safe here

[Frooodle]

Will quickly test how it plays with nginx before merge

[Frooodle]

yeah all seems good! thanks as always