feat: 1:1 is not ending calls properly - WPB-26745 🍒

wire-ios-sync-engine/Source/Calling/WireCallCenterV3.swift

@@ -895,30 +895,13 @@ public extension WireCallCenterV3 {
             snapshot?.mlsConferenceStaleParticipantsRemover?.stopSubscribing()
             snapshot?.mlsConferenceStaleParticipantsRemover = nil
 
-            guard isGroupConversation(conversationId: conversationId) else { return }
-
             leaveSubconversation(
                 parentQualifiedID: mlsParentIDs.0,
                 parentGroupID: mlsParentIDs.1
             )
         }
     }
 
-    private func isGroupConversation(conversationId: AVSIdentifier) -> Bool {
-        guard
-            let context = uiMOC,
-            let domain = conversationId.domain ?? localDomain,
-            let conversation = ZMConversation.fetch(
-                with: conversationId.identifier,
-                domain: domain,
-                in: context
-            )
-        else {
-            return false
-        }
-        return conversation.conversationType == .group
-    }
-
     /// Rejects an incoming call in the conversation.
     /// - parameter conversationId: The ID of the conversation where the incoming call is hosted.
 

wire-ios-sync-engine/Tests/Source/Calling/WireCallCenterV3Tests.swift

@@ -679,34 +679,6 @@ final class WireCallCenterV3Tests: MessagingTest {
         XCTAssert(waitForCustomExpectations(withTimeout: 0.5))
     }
 
-    func testThatClosingAnMLSOneOnOneCallDoesNotLeaveTheSubconversation() throws {
-        // Given
-        let conversationID = try XCTUnwrap(oneOnOneConversationID)
-        oneOnOneConversation.messageProtocol = .mls
-        oneOnOneConversation.mlsGroupID = .random()
-
-        let mlsService = MockMLSServiceInterface()
-        syncMOC.performAndWait {
-            syncMOC.mlsService = mlsService
-        }
-
-        var didLeaveSubconversation = false
-        mlsService
-            .leaveSubconversationParentQualifiedIDParentGroupIDSubconversationType_MockMethod = { _, _, _ in
-                didLeaveSubconversation = true
-            }
-
-        // When
-        sut.closeCall(conversationId: conversationID)
-
-        // Then
-        XCTAssert(waitForAllGroupsToBeEmpty(withTimeout: 0.5))
-        XCTAssertFalse(
-            didLeaveSubconversation,
-            "leaveSubconversation should not be called for 1-1 MLS calls"
-        )
-    }
-
     func testThatItLeavesSubconversationIfNeededOnIncoming() throws {
         // Given
         groupConversation.messageProtocol = .mls