Fix null album/artist navigation

Adds a check before trying to navigate to album/artist page

src/components/player/PlayerBar.tsx

@@ -406,15 +406,21 @@ const PlayerBar = () => {
                       >
                         <LinkButton
                           tabIndex={0}
-                          onClick={() =>
+                          onClick={() => {
+                            if (
+                              playQueue[currentEntryList][
+                                playQueue.currentIndex
+                              ]?.albumId
+                            ) {
                               history.push(
                                 `/library/album/${
                                   playQueue[currentEntryList][
                                     playQueue.currentIndex
                                   ]?.albumId
                                 }`
-                            )
+                              );
                             }
+                          }}
                         >
                           {playQueue[currentEntryList][playQueue.currentIndex]
                             ?.title || 'Unknown title'}
@@ -448,6 +454,11 @@ const PlayerBar = () => {
                             tabIndex={0}
                             subtitle="true"
                             onClick={() => {
+                              if (
+                                playQueue[currentEntryList][
+                                  playQueue.currentIndex
+                                ]?.artistId
+                              ) {
                                 history.push(
                                   `/library/artist/${
                                     playQueue[currentEntryList][
@@ -455,6 +466,7 @@ const PlayerBar = () => {
                                     ]?.artistId
                                   }`
                                 );
+                              }
                             }}
                           >
                             {playQueue[currentEntryList][playQueue.currentIndex]