Support selected Nexus decks with leader skills

tests/selected-nexus-no-cards-profile.test.ts

@@ -38,7 +38,6 @@ void test('selected Nexus admits independently selected decks with some or all n
 void test('selected Nexus rejects unrelated modules and illegal deck or seat configurations', () => {
   const rejected = [
     { ...base, nexusCards: undefined },
-    { ...base, leaderSkills: {} },
     { ...base, ecazTreachery: true },
     { ...base, expansions: [] },
     { ...base, expansions: ['ix', 'ix'] },
@@ -72,7 +71,7 @@ void test('Discovery requires its explicit enabled selection, even with selected
   assert.equal(discoveryModeSupported(enabled), true);
   assert.equal(discoveryModeSupported({ ...enabled, discoveries: {}, discoveryStash: {}, greatMaker: {} }), true,
     'Live Discovery objects do not erase an explicitly selected module');
-  assert.equal(discoveryModeSupported({ ...enabled, leaderSkills: {} }), false);
+  assert.equal(discoveryModeSupported({ ...enabled, leaderSkills: {} }), true);
 });
 
 void test('Advanced Harkonnen with either E3 native stays on its existing excluded boundary', () => {
@@ -84,7 +83,7 @@ void test('Advanced Harkonnen with either E3 native stays on its existing exclud
     assert.equal(selectedNexusWithoutCardsProfile(advanced), false, faction);
     assert.equal(selectedNexusWithoutCardsProfile({ ...advanced, discoveryEnabled: true }), false, faction);
     assert.equal(discoveryModeSupported({ ...advanced, discoveryEnabled: true }), false, faction);
-    assert.equal(selectedNexusWithoutCardsProfile({ ...basic, leaderSkills: {} }), false, faction);
+    assert.equal(selectedNexusWithoutCardsProfile({ ...basic, leaderSkills: {} }), true, faction);
   }
   assert.equal(selectedNexusWithoutCardsProfile({ ...base, advanced: true,
     players: [{ faction: 'harkonnen' }, { faction: 'ixians' }] }), true,