fix image

iOSClient/Activity/CCActivity.m

@@ -126,7 +126,7 @@
 
 - (UIImage *)imageForEmptyDataSet:(UIScrollView *)scrollView
 {
-    return [UIImage imageNamed:@"activityNoRecord"];
+    return [CCGraphics changeThemingColorImage:[UIImage imageNamed:@"activityNoRecord"] color:[NCBrandColor sharedInstance].brand];
 }
 
 - (NSAttributedString *)titleForEmptyDataSet:(UIScrollView *)scrollView

iOSClient/Shares/NCShares.m

@@ -121,7 +121,7 @@
 
 - (UIImage *)imageForEmptyDataSet:(UIScrollView *)scrollView
 {
-    return [UIImage imageNamed:@"sharesNoFiles"];
+    return [CCGraphics changeThemingColorImage:[UIImage imageNamed:@"sharesNoFiles"] color:[NCBrandColor sharedInstance].brand];
 }
 
 - (NSAttributedString *)titleForEmptyDataSet:(UIScrollView *)scrollView

iOSClient/Transfers/CCTransfers.m

@@ -114,7 +114,7 @@
 
 - (UIImage *)imageForEmptyDataSet:(UIScrollView *)scrollView
 {
-    return [UIImage imageNamed:@"transfersNoRecord"];
+    return [CCGraphics changeThemingColorImage:[UIImage imageNamed:@"transfersNoRecord"] color:[NCBrandColor sharedInstance].brand];
 }
 
 - (NSAttributedString *)titleForEmptyDataSet:(UIScrollView *)scrollView