chore: Correct some typos in repo.

[prmukherj]

Context

There were some imminent typos in some files of the codebase (mostly affecting documentation)

Change Summary

The typos were corrected.

Rationale

'typo' was run on the code-base and some of the suggestions were implemented.

Impact

Prevent typos in documentation rendering

In future some tool to be integrated with pre-commit to take care of these automatically like "typo', needs discussion.

[Copilot]

Pull Request Overview

This PR corrects various spelling and grammatical errors throughout the codebase, primarily affecting documentation and comments. The changes improve code readability and documentation quality by fixing typos identified by the 'typo' tool.

• Corrected spelling errors in comments and docstrings
• Fixed variable naming inconsistencies
• Updated documentation strings for better clarity

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
src/ansys/fluent/core/fluent_connection.py	Fixed typo in docstring comment
examples/00-fluent/modeling_ablation.py	Corrected compound word spelling in comment
examples/00-fluent/lunar_lander_thermal.py	Improved variable naming for clarity
doc/settings_rstgen.py	Fixed multiple spelling errors in documentation comments
.ci/fluent_test_runner.py	Corrected variable name spelling

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