Improvements to logging (#457)

* Use `.info` logging in most places.
* Remove old objc logging support.
* Fix table view controller.
* Make sure timeline item content isn't logged.
* Add tests.

ElementX/Sources/Services/Timeline/TimelineItemContent/AggregratedReaction.swift

@@ -0,0 +1,27 @@
+//
+// Copyright 2022 New Vector Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import Foundation
+
+/// Represents all reactions of the same type for a single event.
+struct AggregatedReaction: Hashable {
+    /// The reaction that was sent.
+    let key: String
+    /// The number of times this reactions was sent.
+    let count: Int
+    /// Whether to highlight the reaction, indicating that the current user sent this reaction.
+    let isHighlighted: Bool
+}