Spike - verify consistent verbiage within the extension and its documentation

[cwebster-99]

During a study we noticed inconsistent wording when referring to a project/workspace. We should be consistent in how we refer to projects/workspaces among other features within the extension (including prompts, warnings, etc.) and within our documentation/tutorials.

[cwebster-99]

#20243 addressed discrepancy within the Create Environment command

[cwebster-99]

Closing as we have completed updates to all Python docs recently. Additional bugs or updates can be reported in @vscode-docs.