Add Ssh Api methods to list of allowed requests signed with machine t…

…oken (#14557)

Che-theia SSH plugin uses createPair, getPairs, removePair API methods. Since the methods are not included to the list of allowed request that can be signed with machine token, the ssh plugin doesn't work properly.

multiuser/machine-auth/che-multiuser-machine-authentication/src/main/java/org/eclipse/che/multiuser/machine/authentication/server/MachineAuthModule.java

@@ -62,7 +62,9 @@ protected void configure() {
                 "stop"));
     machineAuthenticatedResources
         .addBinding()
-        .toInstance(new MachineAuthenticatedResource("/ssh", "getPair", "generatePair"));
+        .toInstance(
+            new MachineAuthenticatedResource(
+                "/ssh", "getPair", "generatePair", "createPair", "getPairs", "removePair"));
     machineAuthenticatedResources
         .addBinding()
         .toInstance(