test: fix ts compiler errors

[jbedard]

When compiling with the standard tsc (directly or via ts_library in bazel) there are a lot of compilation errors in the e2e tests which the runtime lib/bootstrap-local.js compilation seems to ignore. These are fixes required to get a standard compiler working such as bazel in #23074

[jbedard]

I've added a commit adding the BUILDs for the legacy-cli where all the compiler errors are and added the compilation of these to circleci. With all the changes landing keeping this PR up to date with the fixes without the a bazel build (#23074) is quite the hassle. Adding the actual bazel build to CI ensures this PR is up to date and correctly fixes the compilation errors.

While the bazel build of legacy-cli is unnecessary right now (other then for type checking) I think it's worth avoiding compilation errors. When these tests are moved to bazel (#23074) this will be required anyway, which hopefully will be finished soon 🤞

[jbedard]

I've reverted the addition of webdriver-manager to the package.json since #23245 switches to the one within protractor anyway (node_modules/protractor/bin/webdriver-manager). Since it's only used in a require.resolve it's a runtime dependency anyway and isn't required to compile.

[clydin]

LGTM.
Some of these changes would fail linting checks but these files are not linted yet and would need other cleanup prior to that anyway.

[jbedard]

I can maybe do linting next but really need type checking before anything else 👍

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