fix assignments

apps/remix-ide/src/app/tabs/compile-tab.js

@@ -34,7 +34,7 @@ const profile = {
 class CompileTab extends CompilerApiMixin(ViewPlugin) { // implements ICompilerApi
   constructor (config, fileManager) {
     super(profile)
-    this.fileManager
+    this.fileManager = fileManager
     this.config = config
     this.queryParams = new QueryParams()
     this.compileTabLogic = new CompileTabLogic(this, this.contentImport)