[flat-json-widget] Preserve newline characters in input fields. Issue where newline characters (`\n`) in input fields were removed when saving via the HTML form. Updated the logic to ensure newline characters are preserved in both display and saved data. Fixed #19 #54

	---

	name: Django Flat JSON Widget CI Build

	on:
	push:
	branches:
	- master
	pull_request:
	branches:
	- master

	jobs:

	build:
	name: Python==${{ matrix.python-version }} \| ${{ matrix.django-version }}
	runs-on: ubuntu-20.04

	strategy:
	fail-fast: false
	matrix:
	python-version:
	- "3.8"
	- "3.9"
	- "3.10"
	django-version:
	- django~=3.2.0
	- django~=4.1.0
	- django~=4.2.0

	steps:
	- uses: actions/checkout@v4
	with:
	ref: ${{ github.event.pull_request.head.sha }}

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	cache: 'pip'
	cache-dependency-path: \|
	setup.py

	- name: Install Dependencies
	id: deps
	run: \|
	pip install -U pip wheel setuptools
	pip install -U -e .[test]
	pip install ${{ matrix.django-version }}
	sudo npm install -g jshint stylelint

	- name: QA checks
	run: \|
	./run-qa-checks

	- name: Tests
	if: ${{ !cancelled() && steps.deps.conclusion == 'success' }}
	run: \|
	coverage run runtests.py
	coverage xml

	- name: Upload Coverage
	if: ${{ success() }}
	uses: coverallsapp/github-action@v2
	with:
	parallel: true
	format: cobertura
	flag-name: python-${{ matrix.env.env }}
	github-token: ${{ secrets.GITHUB_TOKEN }}

	coveralls:
	needs: build
	runs-on: ubuntu-latest
	steps:
	- name: Coveralls Finished
	uses: coverallsapp/github-action@v2
	with:
	parallel-finished: true

Provide feedback