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.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "mega-menu",
-  "version": "1.1.1",
+  "version": "1.1.2",
   "private": true,
   "main": "lib/index.js",
   "engines": {