Address git commit textarea and git clone bugs

Fixes #3544
Fixes #3543

Signed-off-by: Vincent Fugnitto <vincent.fugnitto@ericsson.com>

packages/git/src/browser/git-view-contribution.ts

@@ -27,6 +27,7 @@ import { GitWidget } from './git-widget';
 import { GitRepositoryTracker } from './git-repository-tracker';
 import { GitQuickOpenService } from './git-quick-open-service';
 import { GitSyncService } from './git-sync-service';
+import { WorkspaceService } from '@theia/workspace/lib/browser';
 
 export const GIT_WIDGET_FACTORY_ID = 'git';
 
@@ -102,6 +103,7 @@ export class GitViewContribution extends AbstractViewContribution<GitWidget>
     @inject(GitQuickOpenService) protected readonly quickOpenService: GitQuickOpenService;
     @inject(GitRepositoryTracker) protected readonly repositoryTracker: GitRepositoryTracker;
     @inject(GitSyncService) protected readonly syncService: GitSyncService;
+    @inject(WorkspaceService) protected readonly workspaceService: WorkspaceService;
 
     constructor() {
         super({
@@ -261,6 +263,7 @@ export class GitViewContribution extends AbstractViewContribution<GitWidget>
             isVisible: () => this.syncService.canPublish()
         });
         registry.registerCommand(GIT_COMMANDS.CLONE, {
+            isEnabled: () => !!this.workspaceService.tryGetRoots().length,
             // tslint:disable-next-line:no-any
             execute: (args: any[]) => {
                 let url: string | undefined = undefined;

packages/git/src/browser/style/index.css

@@ -24,7 +24,7 @@
 .theia-git:focus, .theia-git :focus {
     outline: 0;
     box-shadow: none;
-    border: none;
+    border: 1px solid var(--theia-border-color0);
 }
 
 #theia-gitContainer .flexcontainer {