async let to parallelise stuff

fix crash when the fetched db doesnt exist
added loadremoteDB to asyncly fetch remotedb
fixed Tasks not running on background threads
remove expiration from slackresponse
emoji.uiid starts out as emoji.id
added filtering emojis test
hopefully optimised the display of images checking if its local
imessage extension ios 15+
remove the "hii!!" and "hello world" from the emojji picker

StickerSlackTests/StickerSlackTests.swift

@@ -23,4 +23,13 @@ struct StickerSlackTests {
 		}
 	}
 	
+	@Test func filteringEmojis() async throws {
+		let searchQueries = ["heavysob", "yay", "afsdjk", "afhjskf", "g4", "aqua-osx", "neotunes", "", "", ""]
+		for query in searchQueries {
+			print(query)
+			hoarder.filteredEmojis = []
+			hoarder.filterEmojis(by: query)
+			print(hoarder.filteredEmojis.count)
+		}
+	}
 }