Tooltips for icons in tracks selection menu

Adds mouseover tooltips for the icons in the track selection menu that were missing them (i.e the 'edit file metadata' pencil icon).

src/StreamsSelector.jsx

@@ -210,7 +210,7 @@ const Stream = memo(({ filePath, stream, onToggle, batchSetCopyStreamIds, copySt
       </td>
 
       <td style={{ display: 'flex', justifyContent: 'flex-end' }}>
-        <IconButton icon={InfoSignIcon} onClick={() => onInfoClick(stream, t('Track {{num}} info', { num: stream.index + 1 }))} appearance="minimal" iconSize={18} />
+        <IconButton icon={InfoSignIcon} title={t('Track {{trackNum}} info', { trackNum: stream.index + 1 })} onClick={() => onInfoClick(stream, t('Track {{trackNum}} info', { trackNum: stream.index + 1 }))} appearance="minimal" iconSize={18} />
 
         <Popover
           position={Position.BOTTOM_LEFT}
@@ -254,12 +254,12 @@ const FileHeading = ({ path, formatData, chapters, onTrashClick, onEditClick, se
 
       <div style={{ flexGrow: 1 }} />
 
-      <IconButton icon={InfoSignIcon} onClick={() => onInfoClick(formatData, t('File info'))} appearance="minimal" iconSize={18} />
+      <IconButton icon={InfoSignIcon} title={t('File info')} onClick={() => onInfoClick(formatData, t('File info'))} appearance="minimal" iconSize={18} />
       {chapters && chapters.length > 0 && <IconButton icon={BookIcon} onClick={() => onInfoClick(chapters, t('Chapters'))} appearance="minimal" iconSize={18} />}
-      {onEditClick && <IconButton icon={EditIcon} onClick={onEditClick} appearance="minimal" iconSize={18} />}
+      {onEditClick && <IconButton icon={EditIcon} title={t('Edit file metadata')} onClick={onEditClick} appearance="minimal" iconSize={18} />}
       {onTrashClick && <IconButton icon={TrashIcon} onClick={onTrashClick} appearance="minimal" iconSize={18} />}
-      <IconButton iconSize={18} color="#52BD95" icon={FaCheckCircle} onClick={() => setCopyAllStreams(true)} appearance="minimal" />
-      <IconButton iconSize={18} color="#D14343" icon={FaBan} onClick={() => setCopyAllStreams(false)} appearance="minimal" />
+      <IconButton iconSize={18} color="#52BD95" icon={FaCheckCircle} title={t('Keep all tracks')} onClick={() => setCopyAllStreams(true)} appearance="minimal" />
+      <IconButton iconSize={18} color="#D14343" icon={FaBan} title={t('Discard all tracks')} onClick={() => setCopyAllStreams(false)} appearance="minimal" />
       {onExtractAllStreamsPress && <IconButton iconSize={16} title={t('Export each track as individual files')} icon={ForkIcon} onClick={onExtractAllStreamsPress} appearance="minimal" />}
     </div>
   );