MDS cells restyling

[juanca]

Motivation

Design revisions based on latest interactive table designs. We will restyle each cell independently to stay a little more agile.

Acceptance Criteria

• [x] Design approved
• [x] Border-less but still a focus outline
• [x] Full width
• [x] Full height

PR upkeep checklist

• [x] Change log entry
• [x] Label(s)
• [x] Assignee(s)
• [x] Deployment URL: https://mavenlink.github.io/design-system/mds-input-styling/
• [x] (When ready for review) Reviewer(s)
• [x] Green Bigmaven CI check https://github.com/mavenlink/mavenlink/pull/27384
• [ ] DevQA on Bigmaven staging (e.g. does the work need to be imported in the internal design system?) N/A