Improvement - View controller: Remove properties initialization from 'viewDidLoad'.

see https://github.com/matrix-org/matrix-ios-kit/issues/94

Vector/ViewController/RoomParticipantsViewController.m

@@ -89,6 +89,18 @@
 
 #pragma mark -
 
+- (void)finalizeInit
+{
+    [super finalizeInit];
+    
+    // Setup `MXKViewControllerHandling` properties
+    self.defaultBarTintColor = kVectorNavBarTintColor;
+    self.enableBarTintColorStatusChange = NO;
+    self.rageShakeManager = [RageShakeManager sharedManager];
+    
+    _isAddParticipantSearchBarEditing = NO;
+}
+
 - (void)viewDidLoad
 {
     [super viewDidLoad];
@@ -122,11 +134,6 @@
     
     [NSLayoutConstraint activateConstraints:@[_searchBarTopConstraint, _tableViewBottomConstraint]];
     
-    // Setup `MXKViewControllerHandling` properties
-    self.defaultBarTintColor = kVectorNavBarTintColor;
-    self.enableBarTintColorStatusChange = NO;
-    self.rageShakeManager = [RageShakeManager sharedManager];
-    
     self.navigationItem.title = NSLocalizedStringFromTable(@"room_participants_title", @"Vector", nil);
     
     // Add each matrix session, to update the view controller appearance according to mx sessions state
@@ -136,8 +143,6 @@
         [self addMatrixSession:mxSession];
     }
     
-    _isAddParticipantSearchBarEditing = NO;
-    
     _searchBarView.placeholder = NSLocalizedStringFromTable(@"room_participants_invite_another_user", @"Vector", nil);
     _searchBarView.returnKeyType = UIReturnKeyDone;
     _searchBarView.autocapitalizationType = UITextAutocapitalizationTypeNone;