fix terminal tabs layout and style

Author: hackeris

entry/src/main/ets/pages/Index.ets

@@ -59,7 +59,6 @@ struct Index {
           TabContent() {
             Column() {
               NodeContainer(item.view)
-                .id('term-node-' + item.id)
                 .width('100%')
                 .height('100%')
             }
@@ -70,6 +69,7 @@ struct Index {
       .id('tabs')
       .scrollable(false)
       .barHeight(0)
+      .layoutWeight(1)
       .onChange((index: number) => {
         this.focusIndex = index;
       })

entry/src/main/ets/pages/TabSheetComponent.ets

@@ -26,6 +26,7 @@ export struct TabSheets {
               .width(STYLE_CONFIGURATION.ICON_SIZE)
               .aspectRatio(1)
               .padding(2)
+              .borderRadius(4)
               .onClick(() => {
                 this.closeTabAndTerm(item.id)
               })
@@ -67,6 +68,7 @@ export struct TabSheets {
         .width(STYLE_CONFIGURATION.ICON_SIZE)
         .aspectRatio(1)
         .padding(2)
+        .borderRadius(4)
         .onClick(() => {
           if (this.tabArray.length < 6) {