Added multi search

[DigneshGujarathi]

Summary

Test Plan

[codecov-io]

Codecov Report

Merging #601 into master will decrease coverage by 0.27%.
The diff coverage is 67.16%.

@@            Coverage Diff             @@
##           master     #601      +/-   ##
==========================================
- Coverage   75.08%   74.81%   -0.28%     
==========================================
  Files         133      133              
  Lines        2814     2871      +57     
  Branches      536      552      +16     
==========================================
+ Hits         2113     2148      +35     
- Misses        510      523      +13     
- Partials      191      200       +9     

Impacted Files	Coverage Δ
...ners/Chat/ChatMessages/ChatMessage/ChatMessage.tsx	76.38% <ø> (ø)
src/containers/Chat/ChatMessages/ChatMessages.tsx	58.87% <ø> (ø)
src/containers/List/List.test.helper.ts	100.00% <ø> (ø)
src/containers/List/List.tsx	75.73% <ø> (ø)
src/mocks/Chat.tsx	88.88% <0.00%> (-11.12%)	⬇️
...ntainers/Chat/ChatMessages/ChatInput/ChatInput.tsx	67.18% <33.33%> (-1.67%)	⬇️
...iners/Chat/ChatConversations/ChatConversations.tsx	53.42% <50.00%> (-0.31%)	⬇️
...edSearch/SavedSearchToolbar/SavedSearchToolbar.tsx	59.25% <50.00%> (-1.53%)	⬇️
...onversations/ChatConversation/ChatConversation.tsx	69.23% <66.66%> (+3.71%)	⬆️
...onversations/ConversationList/ConversationList.tsx	52.67% <71.87%> (+2.09%)	⬆️
... and 5 more

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[rathorevaibhav]

@DigneshGujarathi When I search and click on the message and if the conversation is already not loaded it gets stuck in the loading state. Not sure if I'm doing it right. I'll check again.

[rathorevaibhav]

@DigneshGujarathi some testing feedbacks:

1. When searching for a message and clicking on the contact which is initially not loaded in the search query, it gets stuck in the loading state

2. The order of the search should be contact > messages > tags according to the sketch files. Currently its contact > tags > messages

3. When the result is null the list area should not be blank. It can have a message like this- "no contact found".
   

[rathorevaibhav]

@DigneshGujarathi One final thing I found on testing. When not searching for anything and clicking on any contact, it duplicates that contact in the list: