Inactivating vendors

[jorgedjr21]

Partial #4949

This PR allows only the deactivation/activation of a vendor

Description

• Allows a vendor to be deactivated and reactivated
• Adds new active field on vendor table
• filter vendors by status (active/inactive)

Type of change

• New feature for vendors: Adds the ability to activate and deactivate vendors. Deactivated vendors will not show on purchases form.
• Adds filter for vendors active/inactive status

How Has This Been Tested?

Spects were added on:

• spec/models/vendor_spec.rb
• spec/system/purchase_system_spec.rb
• spec/system/vendor_system_spec.rb

Also did some manual tests while developing the feature.

Screenshots

[cielf]

Hey @jorgedjr21 for future PRs, if it doesn't finish resolving the issue, we say "Partial" rather than "Resolves" (I changed it above)
If we have "Resolves", the workflow on github closes the issue when the PR is merged.

[jorgedjr21]

@cielf When you have time, can you review this PR, please?
Thanks you!