Removed Text.from_ansi() monkeypatch (3.x)

[kmvanbrunt]

No description provided.

[github-actions]

🤖 Hi @kmvanbrunt, I've received your request, and I'm working on it now! You can track my progress in the logs for more details.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
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@@          Coverage Diff           @@
##             3.x    #1631   +/-   ##
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  Coverage       ?   99.21%           
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  Files          ?       21           
  Lines          ?     4862           
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  Hits           ?     4824           
  Misses         ?       38           
  Partials       ?        0           

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[github-actions]

## 📋 Review Summary

This Pull Request successfully removes the Text.from_ansi() monkey patch from cmd2/rich_utils.py, following the fix in the upstream rich library. By increasing the minimum rich version to 15.0.0, the workaround is no longer necessary, leading to a cleaner codebase.

🔍 General Feedback

• Regression Testing: While the monkey patch itself is obsolete, it is recommended to retain the functional part of the Text.from_ansi test to ensure the library's behavior remains consistent with cmd2's requirements across future updates.
• Changelog: Consider adding an entry to CHANGELOG.md to document the rich version bump and the removal of the monkey patch.

[github-actions]

🟢 While the monkey patch is being removed, it is beneficial to keep a simplified version of this test as a regression check. This ensures that the required version of the rich library (>= 15.0.0) continues to provide the behavior cmd2 expects regarding trailing newlines.

Suggested change

	def test_from_ansi_wrapper() -> None:
	def test_text_from_ansi() -> None:
	# Line breaks recognized by str.splitlines().
	# Source: https://docs.python.org/3/library/stdtypes.html#str.splitlines
	line_breaks = {
	"\n", # Line Feed
	"\r", # Carriage Return
	"\r\n", # Carriage Return + Line Feed
	"\v", # Vertical Tab
	"\f", # Form Feed
	"\x1c", # File Separator
	"\x1d", # Group Separator
	"\x1e", # Record Separator
	"\x85", # Next Line (NEL)
	"\u2028", # Line Separator
	"\u2029", # Paragraph Separator
	}
	# Test all line breaks
	for lb in line_breaks:
	input_string = f"Text{lb}"
	expected_output = input_string.replace(lb, "\n")
	assert Text.from_ansi(input_string).plain == expected_output
	# Test string without trailing line break
	input_string = "No trailing\nline break"
	assert Text.from_ansi(input_string).plain == input_string
	# Test empty string
	input_string = ""
	assert Text.from_ansi(input_string).plain == input_string