Add lint rule space-infix-ops (#3237)

Disallows: 1+1.  Must be 1 + 1.

src/Controllers/AdaptableController.js

@@ -39,7 +39,7 @@ export class AdaptableController {
 
   validateAdapter(adapter) {
     if (!adapter) {
-      throw new Error(this.constructor.name+" requires an adapter");
+      throw new Error(this.constructor.name + " requires an adapter");
     }
 
     const Type = this.expectedAdapterType();