(fix)O3-5344: action buttons not visible on tablet view in test order form

[BlessedAmrita]

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• My work includes tests or is validated by existing tests.

Summary

When placing a test order in the Patient Tests app, the Save order and Discard buttons was not visible in tablet view (iPad / medium screen sizes).

Screenshots

Before:

After:

Related Issue

https://issues.openmrs.org/browse/O3-5344

Other

[BlessedAmrita]

@denniskigen @NethmiRodrigo please review this