Update RTE SDK to 2.19.0 (#2180)

Fixes #1674

ElementX.xcodeproj/project.pbxproj

@@ -6668,7 +6668,7 @@
 			repositoryURL = "https://github.com/matrix-org/matrix-wysiwyg-composer-swift";
 			requirement = {
 				kind = exactVersion;
-				version = 2.18.0;
+				version = 2.19.0;
 			};
 		};
 		96495DD8554E2F39D3954354 /* XCRemoteSwiftPackageReference "posthog-ios" */ = {

ElementX.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -139,8 +139,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/matrix-org/matrix-wysiwyg-composer-swift",
       "state" : {
-        "revision" : "dfb74c89bf54b41ea000d564d6435ac6444ba6b4",
-        "version" : "2.18.0"
+        "revision" : "0aa1308c43451fd077e332f72d6a32135f258834",
+        "version" : "2.19.0"
       }
     },
     {

changelog.d/1674.bugfix

@@ -0,0 +1 @@
+Fixed an issue where the text cursor was not positioned correctly.

project.yml

@@ -112,7 +112,7 @@ packages:
     minorVersion: 2.0.0
   WysiwygComposer:
     url: https://github.com/matrix-org/matrix-wysiwyg-composer-swift
-    exactVersion: 2.18.0
+    exactVersion: 2.19.0
 #    path: ../matrix-wysiwyg/platforms/ios/lib/WysiwygComposer
   SwiftOGG:
     url: https://github.com/vector-im/swift-ogg