MDEV-31628: InnoDB reports the wrong system tablespace size on bootstrap

SysTablespace::set_size(): Use correct 64-bit arithmetics for
reporting the initial size of the InnoDB system or temporary tablespace.

storage/innobase/fsp/fsp0sysspace.cc

@@ -393,11 +393,11 @@ SysTablespace::set_size(
 	Datafile&	file)
 {
 	ut_ad(!srv_read_only_mode || m_ignore_read_only);
+	const ib::bytes_iec b{uint64_t{file.m_size} << srv_page_size_shift};
 
 	/* We created the data file and now write it full of zeros */
-	ib::info() << "Setting file '" << file.filepath() << "' size to "
-		<< ib::bytes_iec{file.m_size << srv_page_size_shift} <<
-		". Physically writing the file full; Please wait ...";
+	ib::info() << "Setting file '" << file.filepath() << "' size to " << b
+		<< ". Physically writing the file full; Please wait ...";
 
 	bool	success = os_file_set_size(
 		file.m_filepath, file.m_handle,
@@ -405,7 +405,7 @@ SysTablespace::set_size(
 
 	if (success) {
 		ib::info() << "File '" << file.filepath() << "' size is now "
-			<< ib::bytes_iec{file.m_size << srv_page_size_shift}
+			<< b
 			<< ".";
 	} else {
 		ib::error() << "Could not set the file size of '"