Improve layout of breadcrumbs on narrow screens

[jo-elimu]

          I noticed that the breadcrumb overflows out into the content in smaller screens, when the breadcrumb has a lot of elements in it.

Originally posted by @alexander-kuruvilla in https://github.com/elimu-ai/webapp/issues/1417#issuecomment-2339490473

Wide Screen

Narrow Screen

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• Relates to #1451