feat: Livechat theming improvements

[aleksandernsilva]

Proposed changes (including videos or screenshots)

Added two settings

• Livechat widget position on the screen: Changes the widget position between left or right of the viewport
• Livechat background: Changes the message list background. Receives the same value as the CSS's background property.

Added new properties to the setTheme method

• position: Changes the widget position between left or right of the viewport
• background: Changes the message list background. Receives the same value as the CSS's background property.
• guestBubbleBackgroundColor: Changes the guest bubble background color
• agentBubbleBackgroundColor: Changes the agent bubble background color
• hideGuestAvatar: Hides the guest avatar
• hideAgentAvatar: Hides the agent avatar

ℹ️ Tests for these theming improvements will be implemented in a separate task: PROSVC-79

Issue(s)

PROSVC-51
PROSVC-50

Steps to test or reproduce

Further comments

[changeset-bot]

🦋 Changeset detected

Latest commit: 82bdd84

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 32 packages

Name	Type
@rocket.chat/meteor	Minor
@rocket.chat/livechat	Minor
@rocket.chat/core-typings	Minor
@rocket.chat/rest-typings	Minor
@rocket.chat/apps	Patch
@rocket.chat/core-services	Patch
@rocket.chat/cron	Patch
@rocket.chat/gazzodown	Major
@rocket.chat/model-typings	Patch
@rocket.chat/ui-contexts	Major
@rocket.chat/account-service	Patch
@rocket.chat/authorization-service	Patch
@rocket.chat/ddp-streamer	Patch
@rocket.chat/omnichannel-transcript	Patch
@rocket.chat/presence-service	Patch
@rocket.chat/queue-worker	Patch
@rocket.chat/stream-hub-service	Patch
@rocket.chat/api-client	Patch
@rocket.chat/license	Patch
@rocket.chat/omnichannel-services	Patch
@rocket.chat/pdf-worker	Patch
@rocket.chat/presence	Patch
rocketchat-services	Patch
@rocket.chat/ddp-client	Patch
@rocket.chat/fuselage-ui-kit	Major
@rocket.chat/models	Patch
@rocket.chat/ui-avatar	Major
@rocket.chat/ui-client	Major
@rocket.chat/ui-video-conf	Major
@rocket.chat/uikit-playground	Patch
@rocket.chat/web-ui-registration	Major
@rocket.chat/instance-status	Patch

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 54.68%. Comparing base (b33e5a9) to head (82bdd84).

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #31772      +/-   ##
===========================================
- Coverage    54.74%   54.68%   -0.07%     
===========================================
  Files         2294     2298       +4     
  Lines        50641    50707      +66     
  Branches     10340    10353      +13     
===========================================
+ Hits         27723    27727       +4     
- Misses       20428    20484      +56     
- Partials      2490     2496       +6     

Flag	Coverage Δ
e2e	53.71% <ø> (-0.05%)	⬇️
e2e-api	40.01% <ø> (-0.11%)	⬇️
unit	75.74% <ø> (ø)

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