Bump version to 1.1.2 and update TaxonomyNavigationService to hide tags not available for tagging

- Updated TaxonomyNavigationService to set hideTagsNotAvailableForTagging to true.
- Modified getAllTerms call to include the updated parameter for hiding unavailable tags.
- Removed external CSS loading functionality from MegaMenuApplicationCustomizer.
- Updated cache prefixes in SPTermStorePickerService for versioning.
- Bumped version in package.json and package-lock.json to 1.1.2.
- Updated deployment manifest files to reflect the new version.

config/package-solution.json

@@ -3,7 +3,7 @@
   "solution": {
     "name": "mega-menu-client-side-solution",
     "id": "f4660e06-ce08-43ee-bfb7-5c4464e01133",
-    "version": "1.1.1.0",
+    "version": "1.1.2.0",
     "includeClientSideAssets": true,
     "skipFeatureDeployment": false,
     "features": [
@@ -11,7 +11,7 @@
         "title": "MegaMenu extension registration",
         "description": "Registers the MegaMenu Application Customizer in the host web.",
         "id": "1e4fdc74-8053-48b2-a15b-e975d61eb71f",
-        "version": "1.1.1.0",
+        "version": "1.1.2.0",
         "assets": {
           "elementManifests": [
             "elements.xml"