Remove building scene, add code execution loading indicator to bottom-right controls (#3691)

* Remove isFirstRender because isExecuting means the same and remove building scene

* add small makefile util

* Remove waiting for building scene prompt

* Add a new model state indicator

* fmt lint tsc

---------

Co-authored-by: Frank Noirot <frank@kittycad.io>

src/components/ModelStateIndicator.tsx

@@ -0,0 +1,39 @@
+import { useEngineCommands } from './EngineCommands'
+import { Spinner } from './Spinner'
+import { CustomIcon } from './CustomIcon'
+
+export const ModelStateIndicator = () => {
+  const [commands] = useEngineCommands()
+
+  const lastCommandType = commands[commands.length - 1]?.type
+
+  let className = 'w-6 h-6 '
+  let icon = <Spinner className={className} />
+  let dataTestId = 'model-state-indicator'
+
+  if (lastCommandType === 'receive-reliable') {
+    className +=
+      'bg-chalkboard-20 dark:bg-chalkboard-80 !group-disabled:bg-chalkboard-30 !dark:group-disabled:bg-chalkboard-80 rounded-sm bg-succeed-10/30 dark:bg-succeed'
+    icon = (
+      <CustomIcon
+        data-testid={dataTestId + '-receive-reliable'}
+        name="checkmark"
+      />
+    )
+  } else if (lastCommandType === 'execution-done') {
+    className +=
+      'border-6 border border-solid border-chalkboard-60 dark:border-chalkboard-80 bg-chalkboard-20 dark:bg-chalkboard-80 !group-disabled:bg-chalkboard-30 !dark:group-disabled:bg-chalkboard-80 rounded-sm bg-succeed-10/30 dark:bg-succeed'
+    icon = (
+      <CustomIcon
+        data-testid={dataTestId + '-execution-done'}
+        name="checkmark"
+      />
+    )
+  }
+
+  return (
+    <div className={className} data-testid="model-state-indicator">
+      {icon}
+    </div>
+  )
+}