test(combobox): update snapshots and add e2e for menu positioning

Author: yordan-st

packages/pluggableWidgets/combobox-web/src/__tests__/__snapshots__/MultiSelection.spec.tsx.snap

@@ -76,7 +76,7 @@ exports[`Combo box (Association) renders combobox widget 1`] = `
     </div>
     <div
       class="widget-combobox-menu widget-combobox-menu-hidden"
-      style="visibility: hidden; position: fixed;"
+      style="--this-is-mocked-from-unit-tests: true;"
     >
       <div
         class="widget-combobox-menu-header widget-combobox-item"
@@ -186,7 +186,7 @@ exports[`Combo box (Association) toggles combobox menu on: input CLICK(focus) /
     </div>
     <div
       class="widget-combobox-menu widget-combobox-menu-hidden"
-      style="visibility: visible; position: fixed; width: 0px; top: 0px; left: 0px;"
+      style="--this-is-mocked-from-unit-tests: true;"
     >
       <div
         class="widget-combobox-menu-header widget-combobox-item"
@@ -296,7 +296,7 @@ exports[`Combo box (Association) toggles combobox menu on: input TOGGLE BUTTON 1
     </div>
     <div
       class="widget-combobox-menu widget-combobox-menu-hidden"
-      style="visibility: hidden; position: fixed;"
+      style="--this-is-mocked-from-unit-tests: true;"
     >
       <div
         class="widget-combobox-menu-header widget-combobox-item"

packages/pluggableWidgets/combobox-web/src/__tests__/__snapshots__/SingleSelection.spec.tsx.snap

@@ -82,7 +82,7 @@ exports[`Combo box (Association) renders combobox widget 1`] = `
     </div>
     <div
       class="widget-combobox-menu widget-combobox-menu-hidden"
-      style="visibility: hidden; position: fixed;"
+      style="--this-is-mocked-from-unit-tests: true;"
     >
       <ul
         aria-labelledby="comboBox1-label"

packages/pluggableWidgets/combobox-web/src/__tests__/__snapshots__/StaticSelection.spec.tsx.snap

@@ -82,7 +82,7 @@ exports[`Combo box (Static values) renders combobox widget 1`] = `
     </div>
     <div
       class="widget-combobox-menu widget-combobox-menu-hidden"
-      style="visibility: hidden; position: fixed;"
+      style="position: fixed; left: 0px; top: 0px; visibility: hidden; transform: translate(0px, 0px);"
     >
       <ul
         aria-labelledby="comboBox1-label"