Advance search search page (#2608)

* Update homepage-config.interface.ts

change comment of homepage-config.interface.ts

* advance Search add

* slove error while unti test

* write unit test

* Ensures select element has an accessible name

* change data pass into url

* error resolve

* Search.Filters.Applied.F.Title given name as Title

* Advanced filters configurable in the User interface (in config.*.yml)

* turn on/off and add filters as a list

* remove currenturl

* resolve

* change envierment config and url pass data

* set enabled: false ,and remove debugger ,remove searchConfig

* expect clauses  add

* reslove conflict

* merge added

* remove  commented and design change advance search

* moving the "add" button to its own col-lg-12

* resolve conflict

* reslove error

* merge en.json5 file

* remove trailing spaces

* resolve Conflicts

* Fix typo. property is filter not filters

---------

Co-authored-by: Tim Donohue <tim.donohue@lyrasis.org>

src/config/app-config.interface.ts

@@ -25,7 +25,7 @@ import { MarkdownConfig } from './markdown-config.interface';
 import { FilterVocabularyConfig } from './filter-vocabulary-config';
 import { DiscoverySortConfig } from './discovery-sort.config';
 import { QualityAssuranceConfig } from './quality-assurance.config';
-
+import { SearchConfig } from './search-page-config.interface';
 interface AppConfig extends Config {
   ui: UIServerConfig;
   rest: ServerConfig;
@@ -54,6 +54,7 @@ interface AppConfig extends Config {
   vocabularies: FilterVocabularyConfig[];
   comcolSelectionSort: DiscoverySortConfig;
   qualityAssuranceConfig: QualityAssuranceConfig;
+  search: SearchConfig;
 }
 
 /**