Labels can truncate and FormFields force Label truncation

[pcln-james]

• Added a truncate prop to Label that truncates the label
• FormField forces its labels to truncate. This fixes a behaviour where labels would wrap within a FormField.
• Updated several tests to more modern standards, less likely to false fail and more likely to catch an issue.

Before:

After:

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 94.30%. Comparing base (0d066cc) to head (6069c62). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1499 +/- ## ========================================== + Coverage 94.20% 94.30% +0.09% ========================================== Files 146 146 Lines 11043 11055 +12 Branches 685 685 ========================================== + Hits 10403 10425 +22 + Misses 622 613 -9 + Partials 18 17 -1 ```

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