Upgrade Fluent UI v8 (#688)

Co-authored-by: Steve Faulkner <southpolesteve@gmail.com>

src/Explorer/Controls/GitHub/AddRepoComponent.tsx

@@ -1,4 +1,4 @@
-import { DefaultButton, IButtonProps, ITextFieldProps, TextField } from "office-ui-fabric-react";
+import { DefaultButton, IButtonProps, ITextFieldProps, TextField } from "@fluentui/react";
 import * as React from "react";
 import * as Constants from "../../../Common/Constants";
 import { Action } from "../../../Shared/Telemetry/TelemetryConstants";

src/Explorer/Controls/GitHub/AuthorizeAccessComponent.tsx

@@ -1,10 +1,4 @@
-import {
-  ChoiceGroup,
-  IButtonProps,
-  IChoiceGroupProps,
-  PrimaryButton,
-  IChoiceGroupOption,
-} from "office-ui-fabric-react";
+import { ChoiceGroup, IButtonProps, IChoiceGroupProps, PrimaryButton, IChoiceGroupOption } from "@fluentui/react";
 import * as React from "react";
 import { ChildrenMargin } from "./GitHubStyleConstants";
 

src/Explorer/Controls/GitHub/GitHubReposComponent.tsx

@@ -1,4 +1,4 @@
-import { DefaultButton, IButtonProps, Link, PrimaryButton } from "office-ui-fabric-react";
+import { DefaultButton, IButtonProps, Link, PrimaryButton } from "@fluentui/react";
 import * as React from "react";
 import { IGitHubBranch, IGitHubRepo } from "../../../GitHub/GitHubClient";
 import { AddRepoComponent, AddRepoComponentProps } from "./AddRepoComponent";

src/Explorer/Controls/GitHub/GitHubStyleConstants.ts

@@ -4,7 +4,7 @@ import {
   IDropdownStyleProps,
   IDropdownStyles,
   IStyleFunctionOrObject,
-} from "office-ui-fabric-react";
+} from "@fluentui/react";
 
 export const ButtonsFooterStyle: React.CSSProperties = {
   paddingTop: 14,

src/Explorer/Controls/GitHub/ReposListComponent.tsx

@@ -16,7 +16,7 @@ import {
   ResponsiveMode,
   SelectionMode,
   Text,
-} from "office-ui-fabric-react";
+} from "@fluentui/react";
 import * as React from "react";
 import { IGitHubBranch, IGitHubPageInfo } from "../../../GitHub/GitHubClient";
 import * as GitHubUtils from "../../../Utils/GitHubUtils";