Fix(web): Check if controlled placement on Tooltip is also undefined

  * advanced floating functionality was applied on all tooltips with
    data-spirit-toggle="tooltip"

packages/web/src/js/Tooltip.ts

@@ -82,9 +82,11 @@ class Tooltip extends BaseComponent {
   }
 
   isPlacementControlled() {
-    const { placementControlled } = this.config as Config;
+    const config = this.config as Config;
+    const placementControlledKey = 'placementControlled';
 
-    return placementControlled !== false;
+    // key can exist in the dataset but can have undefined value
+    return placementControlledKey in config && config[placementControlledKey] !== false;
   }
 
   updateConfig(newConfig: Partial<Config>) {