fix(plugins/plugin-client-common): Notebook layout for 2-split was inconsistent with 3-split

Author: starpit

plugins/plugin-client-common/web/scss/components/Terminal/Layout/BottomStrip.scss

@@ -28,16 +28,16 @@ $min-height: 7rem;
   @include HasBottomStrip {
     @include Split(3) {
       @include Rows(8);
-      @include Columns(3);
+      @include Columns(4);
       grid-template-areas:
-        'T1 T2 T2'
-        'T1 T2 T2'
-        'T1 T2 T2'
-        'T1 T2 T2'
-        'T1 T2 T2'
-        'T1 T2 T2'
-        'T1 T2 T2'
-        'T1 B1 B1';
+        'T1 T2 T2 T2'
+        'T1 T2 T2 T2'
+        'T1 T2 T2 T2'
+        'T1 T2 T2 T2'
+        'T1 T2 T2 T2'
+        'T1 T2 T2 T2'
+        'T1 T2 T2 T2'
+        'T1 B1 B1 B1';
     }
 
     @include Split(4) {

plugins/plugin-client-common/web/scss/components/Terminal/Layout/Notebook.scss

@@ -20,8 +20,8 @@
 @include NotebookTab {
   @include Split(2) {
     @include Rows(1);
-    @include Columns(3);
-    grid-template-areas: 'T1 T2 T2';
+    @include Columns(4);
+    grid-template-areas: 'T1 T2 T2 T2';
   }
 
   @include Split(3) {