Added artists index selection

(cherry picked from commit 815a16d5cfced17ca4db7f1b66991c5cc9f3b719)

frontend/src/Artist/Index/Select/ArtistIndexSelectAllButton.tsx

@@ -0,0 +1,35 @@
+import React, { useCallback } from 'react';
+import { SelectActionType, useSelect } from 'App/SelectContext';
+import PageToolbarButton from 'Components/Page/Toolbar/PageToolbarButton';
+import { icons } from 'Helpers/Props';
+
+function ArtistIndexSelectAllButton() {
+  const [selectState, selectDispatch] = useSelect();
+  const { allSelected, allUnselected } = selectState;
+
+  let icon = icons.SQUARE_MINUS;
+
+  if (allSelected) {
+    icon = icons.CHECK_SQUARE;
+  } else if (allUnselected) {
+    icon = icons.SQUARE;
+  }
+
+  const onPress = useCallback(() => {
+    selectDispatch({
+      type: allSelected
+        ? SelectActionType.UnselectAll
+        : SelectActionType.SelectAll,
+    });
+  }, [allSelected, selectDispatch]);
+
+  return (
+    <PageToolbarButton
+      label={allSelected ? 'Unselect All' : 'Select All'}
+      iconName={icon}
+      onPress={onPress}
+    />
+  );
+}
+
+export default ArtistIndexSelectAllButton;