Update English strings, fix #352, #354 (#356)

* Fix #354

* Fix #352

src/app/organisms/room/PeopleDrawer.jsx

@@ -195,7 +195,7 @@ function PeopleDrawer({ roomId }) {
                 (searchedMembers?.data.length === 0 || memberList.length === 0)
                 && (
                   <div className="people-drawer__noresult">
-                    <Text variant="b2">No result found!</Text>
+                    <Text variant="b2">No results found!</Text>
                   </div>
                 )
               }

src/app/organisms/room/common.jsx

@@ -87,7 +87,7 @@ function getTimelineJSXMessages() {
       return (
         <>
           <b>{twemojify(user)}</b>
-          {' set the avatar'}
+          {' set a avatar'}
         </>
       );
     },
@@ -95,7 +95,7 @@ function getTimelineJSXMessages() {
       return (
         <>
           <b>{twemojify(user)}</b>
-          {' changed the avatar'}
+          {' changed their avatar'}
         </>
       );
     },
@@ -103,7 +103,7 @@ function getTimelineJSXMessages() {
       return (
         <>
           <b>{twemojify(user)}</b>
-          {' removed the avatar'}
+          {' removed their avatar'}
         </>
       );
     },
@@ -111,7 +111,7 @@ function getTimelineJSXMessages() {
       return (
         <>
           <b>{twemojify(user)}</b>
-          {' set the display name to '}
+          {' set display name to '}
           <b>{twemojify(newName)}</b>
         </>
       );
@@ -120,7 +120,7 @@ function getTimelineJSXMessages() {
       return (
         <>
           <b>{twemojify(user)}</b>
-          {' changed the display name to '}
+          {' changed their display name to '}
           <b>{twemojify(newName)}</b>
         </>
       );
@@ -129,7 +129,7 @@ function getTimelineJSXMessages() {
       return (
         <>
           <b>{twemojify(user)}</b>
-          {' removed the display name '}
+          {' removed their display name '}
           <b>{twemojify(lastName)}</b>
         </>
       );