refactor(renderer): rename EntityWorkspace to TwoPaneLayout for clarity

src/renderer/views/sections/ExecutionSections.tsx

@@ -8,7 +8,7 @@ import {
 } from "@phosphor-icons/react";
 import { ConnectorEditor } from "../../components/connectors";
 import { KanbanBoard } from "../../components/dashboard";
-import { EntityWorkspace } from "../../components/EntityWorkspace";
+import { TwoPaneLayout } from "../../components/TwoPaneLayout";
 import { RunCenter } from "../../components/runs";
 import {
   ActivityList,
@@ -294,7 +294,7 @@ export function ExecutionSections({ section }: ExecutionSectionsProps) {
             ))}
           </div>
           {costsTab === "costs" ? (
-            <EntityWorkspace
+            <TwoPaneLayout
               title="Costs"
               eyebrow={undefined}
               primary={

src/renderer/views/sections/OperationsSections.tsx

@@ -1,7 +1,7 @@
 import type { SectionId } from "@shared/types";
 import { Inbox, StandupView, PerformanceView } from "../../components/inbox";
 import { Dashboard } from "../../components/dashboard";
-import { EntityWorkspace } from "../../components/EntityWorkspace";
+import { TwoPaneLayout } from "../../components/TwoPaneLayout";
 import {
   SettingsPane,
   ModelManagement,
@@ -230,7 +230,7 @@ export function OperationsSections({ section }: OperationsSectionsProps) {
       ) : null}
 
       {section === "workspaces" && currentCompany ? (
-        <EntityWorkspace
+        <TwoPaneLayout
           title="Workspaces"
           eyebrow={undefined}
           primary={