21248 Implemented document download + misc label/layout updates

[severinbeauvais]

Issue #: bcgov/entity#21248

Description of changes:

Commit 1:

• app version = 5.10.15
• changed Date Picker icons to blue
• changed Undo buttons to close icons + tooltips
• updated misc labels and layouts
• updated unit test

Commit 2:

• removed unneeded fileUrl
• removed unneeded affidavitFileUrl
• cleaned up download calls and methods
• removed unneeded DocumentIF
• moved fetchDocument() from legal services to document mixin
• renamed fetchDocument -> downloadDocument and refactored it to work with future Legal API endpoint

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of the bcrs-entities-create-ui license (Apache 2.0).

[severinbeauvais]

/gcbrun

[bcregistry-sre]

Temporary Url for review: https://business-create-dev--pr-695-ptw50edq.web.app

SB says, try this: https://business-create-dev--pr-695-ptw50edq.web.app/continuation-in-business-home?id=TyS39DGw5j