Move plugins to "sonar/desktop/plugins"

Summary:
Plugins moved from "sonar/desktop/src/plugins" to "sonar/desktop/plugins".

Fixed all the paths after moving.

New "desktop" folder structure:
- `src` - Flipper desktop app JS code executing in Electron Renderer (Chrome) process.
- `static` - Flipper desktop app JS code executing in Electron Main (Node.js) process.
- `plugins` - Flipper desktop JS plugins.
- `pkg` - Flipper packaging lib and CLI tool.
- `doctor` - Flipper diagnostics lib and CLI tool.
- `scripts` - Build scripts for Flipper desktop app.
- `headless` - Headless version of Flipper desktop app.
- `headless-tests` - Integration tests running agains Flipper headless version.

Reviewed By: mweststrate

Differential Revision: D20344186

fbshipit-source-id: d020da970b2ea1e001f9061a8782bfeb54e31ba0

desktop/plugins/navigation/components/FavoriteButton.tsx

@@ -0,0 +1,50 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
+
+import {styled, IconSize, colors} from 'flipper';
+import {IconButton} from './';
+import React from 'react';
+
+type Props = {
+  onClick?: () => void;
+  highlighted: boolean;
+  size: IconSize;
+};
+
+const FavoriteButtonContainer = styled.div({
+  position: 'relative',
+  '>:first-child': {
+    position: 'absolute',
+  },
+  '>:last-child': {
+    position: 'relative',
+  },
+});
+
+export default (props: Props) => {
+  const {highlighted, onClick, ...iconButtonProps} = props;
+  return (
+    <FavoriteButtonContainer>
+      {highlighted ? (
+        <IconButton
+          outline={false}
+          color={colors.lemon}
+          icon="star"
+          {...iconButtonProps}
+        />
+      ) : null}
+      <IconButton
+        outline={true}
+        icon="star"
+        onClick={onClick}
+        {...iconButtonProps}
+      />
+    </FavoriteButtonContainer>
+  );
+};