Revert "Revert "Don't modify _resolvedUriTargets after first set.""
Revert "Revert "Don't modify _resolvedUriTargets after first set.""

This reverts commit f5f040052c21d0ae65d15c7e89aacbecadce73c8.

Microsoft/vscode,microsoft/vscode,Krzysztof-Cieslak/vscode,microsoft/vscode,Microsoft/vscode,microsoft/vscode,microsoft/vscode,microsoft/vscode,Krzysztof-Cieslak/vscode,eamodio/vscode,microsoft/vscode,Microsoft/vscode,microsoft/vscode,eamodio/vscode,Microsoft/vscode,Microsoft/vscode,Microsoft/vscode,eamodio/vscode,eamodio/vscode,Microsoft/vscode,eamodio/vscode,microsoft/vscode,Microsoft/vscode,Krzysztof-Cieslak/vscode,microsoft/vscode,Krzysztof-Cieslak/vscode,Krzysztof-Cieslak/vscode,microsoft/vscode,Microsoft/vscode,eamodio/vscode,Microsoft/vscode,Krzysztof-Cieslak/vscode,microsoft/vscode,Krzysztof-Cieslak/vscode,Krzysztof-Cieslak/vscode,Krzysztof-Cieslak/vscode,eamodio/vscode,eamodio/vscode,Krzysztof-Cieslak/vscode,Microsoft/vscode,microsoft/vscode,Microsoft/vscode,eamodio/vscode,Microsoft/vscode,Krzysztof-Cieslak/vscode,microsoft/vscode,Microsoft/vscode,microsoft/vscode,eamodio/vscode,Microsoft/vscode,Krzysztof-Cieslak/vscode,Microsoft/vscode,microsoft/vscode,eamodio/vscode,eamodio/vscode,microsoft/vscode,eamodio/vscode,Krzysztof-Cieslak/vscode,eamodio/vscode,Krzysztof-Cieslak/vscode,microsoft/vscode,Krzysztof-Cieslak/vscode,Microsoft/vscode,eamodio/vscode,eamodio/vscode,Krzysztof-Cieslak/vscode,eamodio/vscode,Krzysztof-Cieslak/vscode