Add primary keys to tables that are missing them

[Jelle-S]

Description

Adds primary keys to tables where they are missing.
See See laravel/framework#15770 for a thorough explanation and more context.

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Tested on our environment where the migrations table was missing the id column (shows you we've been using this since at least 2016 😅 ) and with the default database you get when installing snipe it

Checklist:

• I have read the Contributing documentation available here: https://snipe-it.readme.io/docs/contributing-overview
• I have formatted this PR according to the project guidelines: https://snipe-it.readme.io/docs/contributing-overview#pull-request-guidelines
• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[welcome]

💖 Thanks for this pull request! 💖

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[uberbrady]

If you can retarget these changes to the Develop branch, we'll take them.

[snipe]

I’m still kind of unclear what problem this solves, exactly?

[Jelle-S]

I’m still kind of unclear what problem this solves, exactly?

Some database systems (like XtraDB cluster) require explicit primary keys for all tables, so this PR adds them to those that are missing them.

I'm closing this one and created a new one for develop: #9363