[IMPROVEMENT] Show emojis inside quotes

[cardoso]

@RocketChat/ios

• Also improves code reusage a little bit.

• Doesn't show custom emojis yet. Our strategy is implemented for UITextView and these components are using UILabel.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (develop@932f7ea). Click here to learn what that means.
The diff coverage is 0%.

@@            Coverage Diff             @@
##             develop    #2445   +/-   ##
==========================================
  Coverage           ?   25.99%           
==========================================
  Files              ?      448           
  Lines              ?    16813           
  Branches           ?        0           
==========================================
  Hits               ?     4371           
  Misses             ?    12442           
  Partials           ?        0

Impacted Files	Coverage Δ
...ews/Chat/New Chat/Cells/BaseQuoteMessageCell.swift	0% <0%> (ø)
...ket.Chat/Views/Chat/New Chat/Cells/QuoteCell.swift	0% <0%> (ø)
...t/Views/Chat/New Chat/Cells/QuoteMessageCell.swift	0% <0%> (ø)

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[rafaelks]

👌