Revert "More aggressive using of cache on engine settings changes (#4691)" (#4729)

This reverts commit 943cf21d34.

src/lang/wasm.ts

@@ -1,13 +1,14 @@
 import init, {
   parse_wasm,
   recast_wasm,
-  execute,
+  execute_wasm,
   kcl_lint,
   modify_ast_for_sketch_wasm,
   is_points_ccw,
   get_tangential_arc_to_info,
   program_memory_init,
   make_default_planes,
+  modify_grid,
   coredump,
   toml_stringify,
   default_app_settings,
@@ -42,9 +43,7 @@ import { Environment } from '../wasm-lib/kcl/bindings/Environment'
 import { Node } from 'wasm-lib/kcl/bindings/Node'
 import { CompilationError } from 'wasm-lib/kcl/bindings/CompilationError'
 import { SourceRange as RustSourceRange } from 'wasm-lib/kcl/bindings/SourceRange'
-import { getChangedSettingsAtLevel } from 'lib/settings/settingsUtils'
 
-export type { Configuration } from 'wasm-lib/kcl/bindings/Configuration'
 export type { Program } from '../wasm-lib/kcl/bindings/Program'
 export type { Expr } from '../wasm-lib/kcl/bindings/Expr'
 export type { ObjectExpression } from '../wasm-lib/kcl/bindings/ObjectExpression'
@@ -494,20 +493,18 @@ export const _executor = async (
     return Promise.reject(programMemoryOverride)
 
   try {
-    let jsAppSettings = default_app_settings()
+    let baseUnit = 'mm'
     if (!TEST) {
       const getSettingsState = import('components/SettingsAuthProvider').then(
         (module) => module.getSettingsState
       )
-      const settings = (await getSettingsState)()
-      if (settings) {
-        jsAppSettings = getChangedSettingsAtLevel(settings, 'user')
-      }
+      baseUnit =
+        (await getSettingsState)()?.modeling.defaultUnit.current || 'mm'
     }
-    const execState: RawExecState = await execute(
+    const execState: RawExecState = await execute_wasm(
       JSON.stringify(node),
       JSON.stringify(programMemoryOverride?.toRaw() || null),
-      JSON.stringify({ settings: jsAppSettings }),
+      baseUnit,
       engineCommandManager,
       fileSystemManager
     )
@@ -555,6 +552,20 @@ export const makeDefaultPlanes = async (
   }
 }
 
+export const modifyGrid = async (
+  engineCommandManager: EngineCommandManager,
+  hidden: boolean
+): Promise<void> => {
+  try {
+    await modify_grid(engineCommandManager, hidden)
+    return
+  } catch (e) {
+    // TODO: do something real with the error.
+    console.log('modify grid error', e)
+    return Promise.reject(e)
+  }
+}
+
 export const modifyAstForSketch = async (
   engineCommandManager: EngineCommandManager,
   ast: Node<Program>,