Rename XyzAction components to XyzButton

The term "action" is quite overloaded since we use redux,
so let's call it "button" since that's how it behaves.

app/features/navbar/components/HelpButton.js

@@ -17,9 +17,9 @@ type State = {
 };
 
 /**
- * Help Action for Navigation Bar.
+ * Help button for Navigation Bar.
  */
-class HelpAction extends Component< *, State> {
+export default class HelpButton extends Component< *, State> {
     /**
      * Initializes a new {@code HelpAction} instance.
      *
@@ -104,5 +104,3 @@ class HelpAction extends Component< *, State> {
         );
     }
 }
-
-export default HelpAction;

app/features/navbar/components/Navbar.js

@@ -6,10 +6,10 @@ import Navigation, { AkGlobalItem } from '@atlaskit/navigation';
 import React, { Component } from 'react';
 import { connect } from 'react-redux';
 
-import { SettingsAction, SettingsDrawer } from '../../settings';
+import { SettingsButton, SettingsDrawer } from '../../settings';
 import { isElectronMac } from '../../utils';
 
-import HelpAction from './HelpAction';
+import HelpButton from './HelpButton';
 import Logo from './Logo';
 
 /**
@@ -24,7 +24,7 @@ class Navbar extends Component<*> {
     _getPrimaryActions() {
         return [
             <AkGlobalItem key = { 0 }>
-                <SettingsAction />
+                <SettingsButton />
             </AkGlobalItem>
         ];
     }
@@ -37,7 +37,7 @@ class Navbar extends Component<*> {
     _getSecondaryActions() {
         return [
             <AkGlobalItem key = { 0 }>
-                <HelpAction />
+                <HelpButton />
             </AkGlobalItem>
         ];
     }

app/features/settings/components/SettingsButton.js

@@ -19,11 +19,11 @@ type Props = {
 };
 
 /**
- * Setttings Action for Navigation Bar.
+ * Setttings button for Navigation Bar.
  */
-class SettingsAction extends Component<Props, *> {
+class SettingButton extends Component<Props, *> {
     /**
-     * Initializes a new {@code SettingsAction} instance.
+     * Initializes a new {@code SettingButton} instance.
      *
      * @inheritdoc
      */
@@ -48,7 +48,7 @@ class SettingsAction extends Component<Props, *> {
     _onIconClick: (*) => void;
 
     /**
-     * Open Settings drawer when SettingsAction is clicked.
+     * Open Settings drawer when SettingButton is clicked.
      *
      * @returns {void}
      */
@@ -57,4 +57,4 @@ class SettingsAction extends Component<Props, *> {
     }
 }
 
-export default connect()(SettingsAction);
+export default connect()(SettingButton);

app/features/settings/components/index.js

@@ -1,2 +1,2 @@
-export { default as SettingsAction } from './SettingsAction';
+export { default as SettingsButton } from './SettingsButton';
 export { default as SettingsDrawer } from './SettingsDrawer';