Prioritize loading plugin from probeLocations over peer node_modules
Prioritize loading plugin from probeLocations over peer node_modules

This commit reoroders the loading sequence of a tsserver plugin. It
should first check `pluginProbeLocations` before checking peer
node_modules.

PR closes https://github.com/microsoft/TypeScript/issues/34616
microsoft/TypeScript,alexeagle/TypeScript,RyanCavanaugh/TypeScript,Microsoft/TypeScript,nojvek/TypeScript,nojvek/TypeScript,SaschaNaz/TypeScript,kpreisser/TypeScript,SaschaNaz/TypeScript,minestarks/TypeScript,nojvek/TypeScript,minestarks/TypeScript,weswigham/TypeScript,alexeagle/TypeScript,microsoft/TypeScript,Microsoft/TypeScript,weswigham/TypeScript,RyanCavanaugh/TypeScript,kpreisser/TypeScript,SaschaNaz/TypeScript,kitsonk/TypeScript,Microsoft/TypeScript,weswigham/TypeScript,SaschaNaz/TypeScript,kitsonk/TypeScript,kpreisser/TypeScript,kitsonk/TypeScript,alexeagle/TypeScript,RyanCavanaugh/TypeScript,minestarks/TypeScript,microsoft/TypeScript,nojvek/TypeScript