[MM-64893] Account for extra whitespace when replacing date on search hint (#33563) (#33590)

* [MM-64893] Account for extra whitespace when replacing date on search hint

* Fix ordering of caret position and selection range

* Revert "Fix ordering of caret position and selection range"

This reverts commit 9d6fc51ef35c242817a52b6206610abc5fc55503.

* Remove delayInputUpdate

(cherry picked from commit c775615868393566d6cf6caa0820869890da97a2)

Co-authored-by: Devin Binnie <52460000+devinbinnie@users.noreply.github.com>

webapp/channels/src/components/new_search/search_box.tsx

@@ -175,7 +175,7 @@ const SearchBox = forwardRef(
                 }
 
                 setSearchTerms(
-                    searchTerms.slice(0, caretPosition).replace(new RegExp(escapedMatchedPretext + '$', 'i'), '').trimEnd() +
+                    searchTerms.slice(0, caretPosition).trimEnd().replace(new RegExp(escapedMatchedPretext + '$', 'i'), '').trimEnd() +
                     val +
                     extraSpace +
                     searchTerms.slice(caretPosition),

webapp/channels/src/components/new_search/search_box_input.tsx

@@ -111,7 +111,6 @@ const SearchInput = forwardRef<HTMLInputElement, Props>(({searchTerms, searchTyp
                 value={searchTerms}
                 onChange={inputChangeCallback}
                 type='search'
-                delayInputUpdate={true}
                 clearable={true}
                 autoFocus={true}
                 onKeyDown={onKeyDown}