Add missing localizable string.

Signed-off-by: Ivan Sein <ivan@nextcloud.com>

ShareExtension/ShareViewController.m

@@ -109,7 +109,7 @@
         searchTextField.tintColor = [UIColor whiteColor];
         searchTextField.textColor = [UIColor whiteColor];
         dispatch_async(dispatch_get_main_queue(), ^{
-            searchTextField.attributedPlaceholder = [[NSAttributedString alloc] initWithString:@"Search"
+            searchTextField.attributedPlaceholder = [[NSAttributedString alloc] initWithString:NSLocalizedString(@"Search", nil)
             attributes:@{NSForegroundColorAttributeName:[UIColor colorWithWhite:1 alpha:0.5]}];
         });
     } else if (@available(iOS 11.0, *)) {

VideoCalls/AddParticipantsTableViewController.m

@@ -78,7 +78,7 @@
         searchTextField.tintColor = [UIColor whiteColor];
         searchTextField.textColor = [UIColor whiteColor];
         dispatch_async(dispatch_get_main_queue(), ^{
-            searchTextField.attributedPlaceholder = [[NSAttributedString alloc] initWithString:@"Search"
+            searchTextField.attributedPlaceholder = [[NSAttributedString alloc] initWithString:NSLocalizedString(@"Search", nil)
             attributes:@{NSForegroundColorAttributeName:[UIColor colorWithWhite:1 alpha:0.5]}];
         });
     } else if (@available(iOS 11.0, *)) {

VideoCalls/NewRoomTableViewController.m

@@ -75,7 +75,7 @@ NSString * const NCSelectedContactForChatNotification = @"NCSelectedContactForCh
         searchTextField.tintColor = [UIColor whiteColor];
         searchTextField.textColor = [UIColor whiteColor];
         dispatch_async(dispatch_get_main_queue(), ^{
-            searchTextField.attributedPlaceholder = [[NSAttributedString alloc] initWithString:@"Search"
+            searchTextField.attributedPlaceholder = [[NSAttributedString alloc] initWithString:NSLocalizedString(@"Search", nil)
             attributes:@{NSForegroundColorAttributeName:[UIColor colorWithWhite:1 alpha:0.5]}];
         });
     } else if (@available(iOS 11.0, *)) {

VideoCalls/RoomCreationTableViewController.m

@@ -77,7 +77,7 @@
         searchTextField.tintColor = [UIColor whiteColor];
         searchTextField.textColor = [UIColor whiteColor];
         dispatch_async(dispatch_get_main_queue(), ^{
-            searchTextField.attributedPlaceholder = [[NSAttributedString alloc] initWithString:@"Search"
+            searchTextField.attributedPlaceholder = [[NSAttributedString alloc] initWithString:NSLocalizedString(@"Search", nil)
             attributes:@{NSForegroundColorAttributeName:[UIColor colorWithWhite:1 alpha:0.5]}];
         });
     } else if (@available(iOS 11.0, *)) {

VideoCalls/RoomsTableViewController.m

@@ -103,7 +103,7 @@ typedef void (^FetchRoomsCompletionBlock)(BOOL success);
         searchTextField.tintColor = [UIColor whiteColor];
         searchTextField.textColor = [UIColor whiteColor];
         dispatch_async(dispatch_get_main_queue(), ^{
-            searchTextField.attributedPlaceholder = [[NSAttributedString alloc] initWithString:@"Search"
+            searchTextField.attributedPlaceholder = [[NSAttributedString alloc] initWithString:NSLocalizedString(@"Search", nil)
             attributes:@{NSForegroundColorAttributeName:[UIColor colorWithWhite:1 alpha:0.5]}];
         });
     } else if (@available(iOS 11.0, *)) {