Remove .dropdown-menu[style] reset and adjust .dropdown-menu-* modifiers

- Removes the &[style] selector that was used for resetting Popper styles
- Separate Popper-based alignment from static alignment with `data-bs-popover` attribute that separates the --bs-position and custom right/left properties

Co-Authored-By: Rohit Sharma <rohit2sharma95@gmail.com>

js/src/dropdown.js

@@ -156,7 +156,9 @@ class Dropdown extends BaseComponent {
     }
 
     // Totally disable Popper for Dropdowns in Navbar
-    if (!this._inNavbar) {
+    if (this._inNavbar) {
+      Manipulator.setDataAttribute(this._menu, 'popper', 'none')
+    } else {
       if (typeof Popper === 'undefined') {
         throw new TypeError('Bootstrap\'s dropdowns require Popper (https://popper.js.org)')
       }
@@ -176,7 +178,14 @@ class Dropdown extends BaseComponent {
         referenceElement = this._config.reference
       }
 
-      this._popper = Popper.createPopper(referenceElement, this._menu, this._getPopperConfig())
+      const popperConfig = this._getPopperConfig()
+      const isDisplayStatic = popperConfig.modifiers.find(modifier => modifier.name === 'applyStyles' && modifier.enabled === false)
+
+      if (isDisplayStatic) {
+        Manipulator.setDataAttribute(this._menu, 'popper', 'static')
+      }
+
+      this._popper = Popper.createPopper(referenceElement, this._menu, popperConfig)
     }
 
     // If this is a touch-enabled device we add extra
@@ -218,6 +227,7 @@ class Dropdown extends BaseComponent {
 
     this._menu.classList.toggle(CLASS_NAME_SHOW)
     this._element.classList.toggle(CLASS_NAME_SHOW)
+    Manipulator.removeDataAttribute(this._menu, 'popper')
     EventHandler.trigger(this._element, EVENT_HIDDEN, relatedTarget)
   }
 
@@ -421,6 +431,7 @@ class Dropdown extends BaseComponent {
 
       dropdownMenu.classList.remove(CLASS_NAME_SHOW)
       toggles[i].classList.remove(CLASS_NAME_SHOW)
+      Manipulator.removeDataAttribute(dropdownMenu, 'popper')
       EventHandler.trigger(toggles[i], EVENT_HIDDEN, relatedTarget)
     }
   }