[plug-in][debug]Run/Debug code lenses don't work

[svor]

Steps to reproduce:

• Exclude java and java-debug Theia extensions
• Install vscode-java and vscode-java-debug extensions as a plug-ins
• Create simple java class with main method:

public class HelloWorld {
    public static void main(String[] args) {
        // Prints "Hello, World" to the terminal window.
        System.out.println("Hello, World");
    }
}

• Try to click on Debug or Run code lense:
  
  Console logs:

rpc-protocol.ts:191 Uncaught (in promise) Error: Cannot read property 'splice' of undefined
    at :3000/tmp/vscode-unpacked/vscjava.vscode-java-debug-0.16.0.vsix/extension/out/src/debugCodeLensProvider.js:124
    at Generator.next (<anonymous>)
    at :3000/tmp/vscode-unpacked/vscjava.vscode-java-debug-0.16.0.vsix/extension/out/src/debugCodeLensProvider.js:9
    at new WrappedPromise (:3000/tmp/vscode-unpacked/vscjava.vscode-java-debug-0.16.0.vsix/extension/node_modules/async-listener/es6-wrapped-promise.js:13)
    at __awaiter (:3000/tmp/vscode-unpacked/vscjava.vscode-java-debug-0.16.0.vsix/extension/out/src/debugCodeLensProvider.js:5)
    at constructDebugConfig (:3000/tmp/vscode-unpacked/vscjava.vscode-java-debug-0.16.0.vsix/extension/out/src/debugCodeLensProvider.js:102)
    at :3000/tmp/vscode-unpacked/vscjava.vscode-java-debug-0.16.0.vsix/extension/out/src/debugCodeLensProvider.js:91
    at Generator.next (<anonymous>)
    at :3000/tmp/vscode-unpacked/vscjava.vscode-java-debug-0.16.0.vsix/extension/out/src/debugCodeLensProvider.js:9
    at new WrappedPromise (:3000/tmp/vscode-unpacked/vscjava.vscode-java-debug-0.16.0.vsix/extension/node_modules/async-listener/es6-wrapped-promise.js:13)

[akurinnoy]

Depends on #2290

[akosyakov]

for 0.16.0 fixed by #4947

latest version does not work but because of other reasons