friendlyUnit: Properly replace spaces with non-breaking spaces

src/base/unicodestrings.h

@@ -35,6 +35,7 @@
 // we put all problematic UTF-8 chars/strings in this file.
 // See issue #3059 for more details (https://github.com/qbittorrent/qBittorrent/issues/3059).
 const char C_INFINITY[] = "∞";
+const char C_NON_BREAKING_SPACE[] = " ";
 const char C_UP[] = "▲";
 const char C_DOWN[] = "▼";
 const char C_COPYRIGHT[] = "©";

src/base/utils/misc.cpp

@@ -356,9 +356,9 @@ QString Utils::Misc::friendlyUnit(qint64 bytesValue, bool isSpeed)
         return QCoreApplication::translate("misc", "Unknown", "Unknown (size)");
     QString ret;
     if (unit == SizeUnit::Byte)
-        ret = QString::number(bytesValue) + " " + unitString(unit);
+        ret = QString::number(bytesValue) + QString::fromUtf8(C_NON_BREAKING_SPACE) + unitString(unit);
     else
-        ret = Utils::String::fromDouble(friendlyVal, friendlyUnitPrecision(unit)) + " " + unitString(unit);
+        ret = Utils::String::fromDouble(friendlyVal, friendlyUnitPrecision(unit)) + QString::fromUtf8(C_NON_BREAKING_SPACE) + unitString(unit);
     if (isSpeed)
         ret += QCoreApplication::translate("misc", "/s", "per second");
     return ret;