Remove remaining reply fallbacks code (#28610)

* Remove remaining reply fallbacks code

as MSC2781 has been merged

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Update tests

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

---------

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

test/unit-tests/components/views/rooms/wysiwyg_composer/utils/createMessageContent-test.ts

@@ -88,9 +88,9 @@ describe("createMessageContent", () => {
 
             // Then
             expect(content).toEqual({
-                "body": " * *__hello__ world*",
+                "body": "* *__hello__ world*",
                 "format": "org.matrix.custom.html",
-                "formatted_body": ` * ${message}`,
+                "formatted_body": `* ${message}`,
                 "msgtype": "m.text",
                 "m.new_content": {
                     body: "*__hello__ world*",

test/unit-tests/components/views/rooms/wysiwyg_composer/utils/message-test.ts

@@ -418,8 +418,8 @@ describe("message", () => {
             // Then
             const { msgtype, format } = mockEvent.getContent();
             const expectedContent = {
-                "body": ` * ${newMessage}`,
-                "formatted_body": ` * ${newMessage}`,
+                "body": `* ${newMessage}`,
+                "formatted_body": `* ${newMessage}`,
                 "m.new_content": {
                     body: "Replying to this new content",
                     format: "org.matrix.custom.html",