[MNT-21419] correctly reset search results (#1487)

* correctly reset search results

* fix tests

* reset the service intstead of copying

* Revert "fix tests"

This reverts commit 8c1ae87caa.

* fix app service tests

.github/plint.yml

@@ -1,25 +0,0 @@
-modules:
-  - pr.prettier
-  - pr.spellcheck
-
-prettier:
-  options:
-    singleQuote: true
-  exclude:
-    - '*.json'
-
-spellcheck:
-  dictionaries:
-    - softwareTerms
-    - html
-    - en-gb
-    - en_US
-  words:
-    - plint
-    - ngrx
-    - qshare
-    - snackbar
-    - exif
-    - docx
-  exclude:
-    - src/assets/app.extensions.json