Add mobile view for upcoming commitments

[ColinToft]

Notion Ticket Link

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Implementation Description

• Make the mobile view for upcoming commitments work
• Remove the redundant "my upcoming meal donations" text

Steps To Test

1. **Look at the upcoming meal commitments table (meal donor dashboard) at all sizes

Checklist

• My PR name is descriptive and in imperative tense
• My commit messages are descriptive and in imperative tense. My commits are atomic and trivial commits are squashed or fixup'd into non-trivial commits
• I have run the appropriate linter(s)
• I have added tests for my changes
• I have requested a review from the PL, as well as other devs who have background knowledge on this PR or who will be building on top of this PR

[github-actions]

Visit the preview URL for this PR (updated for commit a29d658):

https://feeding-canadian-kids-staging--pr162-meal-donor-dashbo-g8nxzrio.web.app

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[shahanneda]

Thanks Colin this is great!