[Translation Support] Fix several string constants

Several string constants were not fetching from the translation strings
table. Fixed this.

Signed-off-by: Christopher Snowhill <kode54@gmail.com>

Application/AppController.m

@@ -249,9 +249,10 @@ void *kAppControllerContext = &kAppControllerContext;
 
 	if([keyPath isEqualToString:@"playlistController.currentEntry"]) {
 		PlaylistEntry *entry = playlistController.currentEntry;
+		NSString *appTitle = NSLocalizedString(@"CogTitle", @"Cog");
 		if(!entry) {
-			miniWindow.title = @"Cog";
-			mainWindow.title = @"Cog";
+			miniWindow.title = appTitle;
+			mainWindow.title = appTitle;
 			if(@available(macOS 11.0, *)) {
 				miniWindow.subtitle = @"";
 				mainWindow.subtitle = @"";
@@ -276,7 +277,7 @@ void *kAppControllerContext = &kAppControllerContext;
 		}
 
 		if(@available(macOS 11.0, *)) {
-			NSString *title = @"Cog";
+			NSString *title = appTitle;
 			if(entry.title) {
 				title = entry.title;
 			}
@@ -299,7 +300,7 @@ void *kAppControllerContext = &kAppControllerContext;
 			miniWindow.subtitle = subtitle;
 			mainWindow.subtitle = subtitle;
 		} else {
-			NSString *title = @"Cog";
+			NSString *title = appTitle;
 			if(entry.display) {
 				title = entry.display;
 			}

Application/PlaybackEventController.m

@@ -279,7 +279,7 @@ didReceiveNotificationResponse:(UNNotificationResponse *)response
 					}
 				}
 
-				notif.actionButtonTitle = @"Skip";
+				notif.actionButtonTitle = NSLocalizedString(@"SkipAction", @"Skip");
 
 				[[NSUserNotificationCenter defaultUserNotificationCenter]
 				scheduleNotification:notif];

Playlist/PlaylistController.m

@@ -850,7 +850,7 @@ static inline void dispatch_sync_reentrant(dispatch_queue_t queue, dispatch_bloc
 
 	if([self shuffle] != ShuffleOff) [self resetShuffleList];
 
-	[[self undoManager] setActionName:@"Playlist Randomization"];
+	[[self undoManager] setActionName:NSLocalizedString(@"PlaylistRandomizationAction", @"Playlist Randomization")];
 }
 
 - (void)unrandomizeList:(NSArray *)entries {

Playlist/PlaylistView.m

@@ -47,7 +47,7 @@
 	[self setVerticalMotionCanBeginDrag:YES];
 
 	// Set up header context menu
-	headerContextMenu = [[NSMenu alloc] initWithTitle:@"Playlist Header Context Menu"];
+	headerContextMenu = [[NSMenu alloc] initWithTitle:NSLocalizedString(@"PlaylistHeaderContextMenuTitle", @"Playlist Header Context Menu")];
 
 	NSSortDescriptor *sortDescriptor = [[NSSortDescriptor alloc] initWithKey:@"identifier"
 	                                                               ascending:YES];
@@ -58,9 +58,9 @@
 	for(NSTableColumn *col in [columns sortedArrayUsingDescriptors:sortDescriptors]) {
 		NSString *title;
 		if([[col identifier] isEqualToString:@"status"]) {
-			title = @"Status";
+			title = NSLocalizedString(@"PlaylistStatusColumn", @"Status");
 		} else if([[col identifier] isEqualToString:@"index"]) {
-			title = @"Index";
+			title = NSLocalizedString(@"PlaylistIndexColumn", @"Index");
 		} else {
 			title = [[col headerCell] title];
 		}

Preferences/PreferencesWindow.m

@@ -42,7 +42,7 @@
 		}
 
 		[self setReleasedWhenClosed:NO];
-		[self setTitle:@"Preferences"];
+		[self setTitle:NSLocalizedString(@"PreferencesTitle", @"Preferences")];
 		[self center];
 
 		if(@available(macOS 11, *)) {

en.lproj/Localizable.strings

@@ -32,3 +32,16 @@
 "QueuedTrackTooltip" = "Queued";
 "ErrorTrackTooltip" = "Error";
 "StopAfterTrackTooltip" = "Stop After Track";
+
+"PlaylistHeaderContextMenuTitle" = "Playlist Header Context Menu";
+
+"PlaylistStatusColumn" = "Status";
+"PlaylistIndexColumn" = "Index";
+
+"PlaylistRandomizationAction" = "Playlist Randomization";
+
+"SkipAction" = "Skip";
+
+"CogTitle" = "Cog";
+
+"PreferencesTitle" = "Preferences";

es.lproj/Localizable.strings

@@ -32,3 +32,16 @@
 "QueuedTrackTooltip" = "Queued";
 "ErrorTrackTooltip" = "Error";
 "StopAfterTrackTooltip" = "Stop After Track";
+
+"PlaylistHeaderContextMenuTitle" = "Playlist Header Context Menu";
+
+"PlaylistStatusColumn" = "Status";
+"PlaylistIndexColumn" = "Index";
+
+"PlaylistRandomizationAction" = "Playlist Randomization";
+
+"SkipAction" = "Skip";
+
+"CogTitle" = "Cog";
+
+"PreferencesTitle" = "Preferences";