test(e2e): add messages e2e tests - [CU-869atcqz5]

[im-saif]

Overview

This PR introduces a comprehensive E2E test suite for the DMs, including sending and receiving messages, unread indicators, large inputs, and alot more.

Demo

DMs.e2e.mp4

[Exo1i]

Task linked: CU-869atcqz5 DM flow tests

[github-actions]

Unit Tests Coverage Report

Coverage after merging test/dms-e2e into dev will be

84.42%

Coverage Report for Changed Files

File	Stmts	Branches	Funcs	Lines	Uncovered Lines
src/components/messages
MessageInput.tsx	51.52%	38.46%	33.33%	64.71%	43, 49, 57, 57, 57, 57, 57–59, 59, 59–60, 65, 75
NewMessageComposer.tsx	97.94%	93.55%	100%	100%	49, 54
NewMessageSheet.tsx	100%	100%	100%	100%
src/components/profile
ProfileHeader.tsx	78.17%	75%	69.57%	83.58%	103, 121, 121, 121–122, 127, 148, 158, 158, 158–159, 161, 193, 257, 283–284, 76, 76, 76, 78, 86, 86, 86, 93
src/hooks/navigation
useBottomTabsConfig.tsx	54.02%	30.56%	71.43%	70.27%	133, 140, 147, 159–160, 160, 168, 185, 193–194, 194–195, 204, 208, 223–224, 224, 230, 230, 230, 232, 232, 236, 236, 236, 238, 246, 246, 257–258, 86, 86, 86, 86, 95, 98
src/screens/messages
ChatScreen.tsx	70.70%	60.58%	73.91%	78.29%	106, 109, 114, 116–117, 126, 132, 134–135, 137–138, 140, 140, 140, 140, 140–142, 145, 148, 148, 148, 151, 153, 156, 220, 231–232, 240–241, 246–247, 251–252, 255, 255, 255–256, 258, 258, 258–260, 268, 268–269, 272, 284–285, 289–290, 294, 335–336, 339, 352, 352, 352, 352, 352, 354, 364, 370, 55, 57, 63, 96–98
MessagesScreen.tsx	95.04%	89.36%	100%	98.11%	122, 126, 130, 133, 89, 94