Fix iOS11 disruption

- RoomViewController, RoomDetailsVC, ContactDetailsVC: fix header layout.
- Use UIScrollView+MatrixKit category to handle the adjusted content inset which is not defined before iOS 11.

Riot/ViewController/RoomMemberDetailsViewController.m

@@ -33,7 +33,7 @@
 #define TABLEVIEW_SECTION_HEADER_HEIGHT   28
 #define TABLEVIEW_SECTION_HEADER_HEIGHT_WHEN_HIDDEN 0.01f
 
-@interface RoomMemberDetailsViewController ()
+@interface RoomMemberDetailsViewController () <RoomMemberTitleViewDelegate>
 {
     RoomMemberTitleView* memberTitleView;
     
@@ -118,18 +118,18 @@
     [super viewDidLoad];
     // Do any additional setup after loading the view, typically from a nib.
     
+    memberTitleView = [RoomMemberTitleView roomMemberTitleView];
+    memberTitleView.delegate = self;
+    
     if (@available(iOS 11.0, *))
     {
         // Define directly the navigation titleView with the custom title view instance. Do not use anymore a container.
-        memberTitleView = [RoomMemberTitleView roomMemberTitleView];
         self.navigationItem.titleView = memberTitleView;
     }
     else
     {
         self.navigationItem.titleView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 600, 40)];
         
-        memberTitleView = [RoomMemberTitleView roomMemberTitleView];
-        
         // Add the title view and define edge constraints
         memberTitleView.translatesAutoresizingMaskIntoConstraints = NO;
         [self.navigationItem.titleView addSubview:memberTitleView];
@@ -336,7 +336,8 @@
         }
     }
     
-    if (memberTitleView)
+    // Check whether the title view has been created and rendered.
+    if (memberTitleView && memberTitleView.superview)
     {
         // Adjust the header height by taking into account the actual position of the member avatar in title view
         // This position depends automatically on the screen orientation.
@@ -1060,4 +1061,11 @@
     }
 }
 
+#pragma mark - RoomMemberTitleViewDelegate
+
+- (void)roomMemberTitleViewDidLayoutSubview:(RoomMemberTitleView*)titleView
+{
+    [self viewDidLayoutSubviews];
+}
+
 @end