Mnyamunda/update button click

[mnyamunda-scottlogic]

• Updates "ok" button with "update" button
• Renaming button click methods
• Update snapshots with new line colouring and line style
• Updates map points with new colouring

[github-actions[bot]]

Coverage report for air-quality-ui

St.:grey_question:	Category	Percentage	Covered / Total
🟢	Statements	94.42%	677/717
🟢	Branches	86.5%	173/200
🟢	Functions	88.04%	162/184
🟢	Lines	94.1%	622/661

Test suite run success

362 tests passing in 28 suites.

Report generated by 🧪jest coverage report action from c8efcbeb910d4d507f09aacb608ab694dc00d310