Move GitHub repos panel to react (#638)

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

src/Explorer/Controls/GitHub/GitHubReposComponent.tsx

@@ -23,8 +23,6 @@ export interface RepoListItem {
 }
 
 export class GitHubReposComponent extends React.Component<GitHubReposComponentProps> {
-  public static readonly ConnectToGitHubTitle = "Connect to GitHub";
-  public static readonly ManageGitHubRepoTitle = "Manage GitHub settings";
   private static readonly ManageGitHubRepoDescription =
     "Select your GitHub repos and branch(es) to pin to your notebooks workspace.";
   private static readonly ManageGitHubRepoResetConnection = "View or change your GitHub authorization settings.";
@@ -32,14 +30,6 @@ export class GitHubReposComponent extends React.Component<GitHubReposComponentPr
   private static readonly CancelButtonText = "Cancel";
 
   public render(): JSX.Element {
-    const header: JSX.Element = (
-      <p>
-        {this.props.showAuthorizeAccess
-          ? GitHubReposComponent.ConnectToGitHubTitle
-          : GitHubReposComponent.ManageGitHubRepoTitle}
-      </p>
-    );
-
     const content: JSX.Element = this.props.showAuthorizeAccess ? (
       <AuthorizeAccessComponent {...this.props.authorizeAccessProps} />
     ) : (
@@ -66,9 +56,6 @@ export class GitHubReposComponent extends React.Component<GitHubReposComponentPr
 
     return (
       <>
-        <div className={"firstdivbg headerline"} role="heading" aria-level={2}>
-          {header}
-        </div>
         <div className={"paneMainContent"}>{content}</div>
         {!this.props.showAuthorizeAccess && (
           <>

src/Explorer/Controls/GitHub/GitHubStyleConstants.ts

@@ -1,19 +1,21 @@
 import {
-  IStyleFunctionOrObject,
   ICheckboxStyleProps,
   ICheckboxStyles,
-  IDropdownStyles,
   IDropdownStyleProps,
+  IDropdownStyles,
+  IStyleFunctionOrObject,
 } from "office-ui-fabric-react";
 
 export const ButtonsFooterStyle: React.CSSProperties = {
-  padding: 14,
+  paddingTop: 14,
   height: "auto",
+  borderTop: "2px solid lightGray",
 };
 
 export const ContentFooterStyle: React.CSSProperties = {
-  padding: "10px 24px 10px 24px",
+  paddingTop: "10px",
   height: "auto",
+  borderTop: "2px solid lightGray",
 };
 
 export const ChildrenMargin = 10;
@@ -53,6 +55,11 @@ export const BranchesDropdownOptionContainerStyle: React.CSSProperties = {
   padding: 8,
 };
 
+export const ContentMainStyle: React.CSSProperties = {
+  display: "flex",
+  flexDirection: "column",
+};
+
 export const ReposListRepoColumnMinWidth = 192;
 export const ReposListBranchesColumnWidth = 116;
 export const BranchesDropdownWidth = 200;