Recognize common keywords for resource type completions

[StephenWeatherford]

Fixes #6387

Microsoft Reviewers: Open in CodeFlow

[github-actions]

Test this change out locally with the following install scripts (Action run 8557637404)

VSCode

• Mac/Linux

  bash <(curl -Ls https://aka.ms/bicep/nightly-vsix.sh) --run-id 8557637404

• Windows

  iex "& { $(irm https://aka.ms/bicep/nightly-vsix.ps1) } -RunId 8557637404"

Azure CLI

• Mac/Linux

  bash <(curl -Ls https://aka.ms/bicep/nightly-cli.sh) --run-id 8557637404

• Windows

  iex "& { $(irm https://aka.ms/bicep/nightly-cli.ps1) } -RunId 8557637404"

[github-actions]

Test Results

    66 files   -     33      66 suites   - 33   22m 55s ⏱️ - 18m 12s
10 739 tests  -      4  10 737 ✅  -      4  2 💤 ±0  0 ❌ ±0 
25 374 runs   - 12 635  25 370 ✅  - 12 633  4 💤  - 2  0 ❌ ±0 

Results for commit 963aafb. ± Comparison against base commit 8a1f0de.

♻️ This comment has been updated with latest results.