Timeline Reactions: Emoji picker (#350)

* Screens template

* Loading and parsing

* Gridview

* New json

* Search method

* Unit tests

* Added emoji provider state

* Removed containsIgnoringCase

* Added plus icon, added double tap gesture, dismiss sheet after selecting emoji

* Renamed EmojisProvider to EmojiProvider

* Renamed EmojiPickerScreenScreen

* Extra padding

* Renamed EmojisLoaderProtocol

* Category names

* Moved method into public section of the class

* Return all categories when search string is empty

* Added cancel button and tittle

* Removed empty lines

* Removed swiftlint warning

ElementX/Sources/Services/UserSession/UserSessionFlowCoordinator.swift

@@ -26,6 +26,7 @@ class UserSessionFlowCoordinator: CoordinatorProtocol {
     private let userSession: UserSessionProtocol
     private let navigationController: NavigationController
     private let bugReportService: BugReportServiceProtocol
+    private let emojiProvider: EmojiProviderProtocol = EmojiProvider()
     
     var callback: ((UserSessionFlowCoordinatorAction) -> Void)?
     
@@ -148,7 +149,8 @@ class UserSessionFlowCoordinator: CoordinatorProtocol {
                                                              timelineController: timelineController,
                                                              mediaProvider: userSession.mediaProvider,
                                                              roomName: roomProxy.displayName ?? roomProxy.name,
-                                                             roomAvatarUrl: roomProxy.avatarURL)
+                                                             roomAvatarUrl: roomProxy.avatarURL,
+                                                             emojiProvide: emojiProvider)
             let coordinator = RoomScreenCoordinator(parameters: parameters)
             
             navigationController.push(coordinator) { [weak self] in