fix: add Flow type definitions for activity feed components

Author: devin-ai-integration[bot]

src/components/flyout/Overlay.js.flow

@@ -0,0 +1,12 @@
+// @flow
+import * as React from 'react';
+
+export type Props = {
+    children?: React.Node,
+    className?: string,
+    handleOverlayKeyDown?: Function,
+    shouldDefaultFocus?: boolean,
+    shouldOutlineFocus?: boolean,
+};
+
+declare export default React.ComponentType<Props>;

src/elements/content-sidebar/activity-feed/common/activity-message/CollapsableMessage.js.flow

@@ -0,0 +1,8 @@
+// @flow
+import * as React from 'react';
+
+type Props = {
+    children: React.Node,
+};
+
+declare export default React.ComponentType<Props>;

src/elements/content-sidebar/activity-feed/common/activity-message/ShowOriginalButton.js.flow

@@ -0,0 +1,8 @@
+// @flow
+import * as React from 'react';
+
+type Props = {
+    handleShowOriginal: (event: SyntheticMouseEvent<>) => void,
+};
+
+declare export default React.ComponentType<Props>;

src/elements/content-sidebar/activity-feed/common/activity-message/TranslateButton.js.flow

@@ -0,0 +1,8 @@
+// @flow
+import * as React from 'react';
+
+type Props = {
+    handleTranslate: (event: SyntheticMouseEvent<>) => void,
+};
+
+declare export default React.ComponentType<Props>;