Standardize usage of period in UI sentences

TODO.md

@@ -59,7 +59,7 @@
 
 - UI
   - Make theme error/etc text colors more like name colors
-  - Standardize usage of punctuation
+  - In account settings, display name field text should be colored
   - Way to open context menus without a right mouse button
   - `smartVerticalFlick()` gradual acceleration
 

src/qml/Chat/Banners/InviteBanner.qml

@@ -13,7 +13,7 @@ Banner {
     avatar.displayName: inviterName
     avatar.mxc: inviterAvatar
 
-    labelText: qsTr("%1 invited you to this room.").arg(
+    labelText: qsTr("%1 invited you to this room").arg(
         Utils.coloredNameHtml(inviterName, inviterId)
     )
 

src/qml/Chat/Banners/LeftBanner.qml

@@ -9,7 +9,7 @@ Banner {
     avatar.userId: chatPage.userId
     avatar.displayName: chatPage.userInfo.display_name
     avatar.mxc: chatPage.userInfo.avatar_url
-    labelText: qsTr("You are not part of this room anymore.")
+    labelText: qsTr("You are not part of this room anymore")
 
     buttonModel: [
         {

src/qml/Chat/Banners/UnknownDevicesBanner.qml

@@ -7,7 +7,7 @@ Banner {
 
     avatar.visible: false
     icon.svgName: "unknown-devices-warning"
-    labelText: "Unknown devices are present in this encrypted room."
+    labelText: qsTr("Unknown devices are present in this encrypted room")
 
     buttonModel: [
         {

src/qml/Chat/Timeline/EventList.qml

@@ -177,7 +177,7 @@ Rectangle {
     }
 
     HNoticePage {
-        text: qsTr("No messages to show yet.")
+        text: qsTr("No messages to show yet")
 
         visible: eventList.model.count < 1
         anchors.fill: parent

src/qml/Pages/AddChat/FindSomeone.qml

@@ -33,10 +33,10 @@ HBox {
                 let txt = qsTr("Unknown error - %1: %2").arg(type).arg(args)
 
                 if (type === "InvalidUserInContext")
-                    txt = qsTr("You cannot invite yourself!")
+                    txt = qsTr("You can't invite yourself!")
 
                 if (type === "UserNotFound")
-                    txt = qsTr("This user does not exist.")
+                    txt = qsTr("This user does not exist")
 
                 errorMessage.text = txt
             })

src/qml/Pages/Default.qml

@@ -1,5 +1,5 @@
 import "../Base"
 
 HNoticePage {
-    text: qsTr("Add or select a room to start.")
+    text: qsTr("No chat selected")
 }