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.

lib/services/TaxonomyNavigationService.js

@@ -55,7 +55,7 @@ var TaxonomyNavigationService = (function () {
             termsetNameOrID: termSetNameOrId,
             useSessionStorage: true,
             hideDeprecatedTags: true,
-            hideTagsNotAvailableForTagging: false,
+            hideTagsNotAvailableForTagging: true,
             cacheMinutes: cacheMinutes
         }, this.context, this.debug);
     }
@@ -67,7 +67,7 @@ var TaxonomyNavigationService = (function () {
                 switch (_a.label) {
                     case 0:
                         siteCollectionUrl = this.context.pageContext.site.absoluteUrl;
-                        return [4 /*yield*/, this._taxonomyPickerService.getAllTerms(this.termSetNameOrId, true, false, true, this.cacheMinutes)];
+                        return [4 /*yield*/, this._taxonomyPickerService.getAllTerms(this.termSetNameOrId, true, true, true, this.cacheMinutes)];
                     case 1:
                         termset = _a.sent();
                         itemsDict = new ItemDictionary();