Refactoring main character text

[PiluVitu]

Closes #382

Feature

Refatoração do componente, exclusão de outros componentes desnecessários ao redor e melhoramento dos testes do componente.

Visual evidences :framed_picture:

Checklist

• [x] Issue linked
• [x] Build working correctly
• [x] Tests created

Additional info

N/A

[github-actions[bot]]

Coverage Report

Status	Category	Percentage	Covered / Total
🔵	Lines	60.46%	208 / 344
🔵	Statements	61.47%	233 / 379
🔵	Functions	63.69%	100 / 157
🔵	Branches	66.66%	110 / 165

File Coverage

File	Stmts	% Branch	% Funcs	% Lines	Uncovered Lines
Changed Files
src/components/CharacterLimitMainText/CharacterLimit.tsx	100%	100%	100%	100%
src/components/ComposerEditor/ComposerEditor.tsx	70.83%	12.5%	57.14%	70.83%	26-27, 34-40, 36-37, 37-38, 42, 49

Generated in workflow #1305