Add alt text for series images

Closes #8332

frontend/src/Series/Index/Overview/SeriesIndexOverview.tsx

@@ -171,6 +171,7 @@ function SeriesIndexOverview(props: SeriesIndexOverviewProps) {
                 size={250}
                 lazy={false}
                 overflow={true}
+                title={title}
               />
             </Link>
           </div>

frontend/src/Series/Index/Posters/SeriesIndexPoster.tsx

@@ -183,6 +183,7 @@ function SeriesIndexPoster(props: SeriesIndexPosterProps) {
             size={250}
             lazy={false}
             overflow={true}
+            title={title}
             onError={onPosterLoadError}
             onLoad={onPosterLoad}
           />

frontend/src/Series/Index/Table/SeriesIndexRow.tsx

@@ -198,6 +198,7 @@ function SeriesIndexRow(props: SeriesIndexRowProps) {
                     images={images}
                     lazy={false}
                     overflow={true}
+                    title={title}
                     onError={onBannerLoadError}
                     onLoad={onBannerLoad}
                   />