Fix $COLUMNS/$LINES after resizing.

The 2 were inverted previously.
CCBUG: 245746

src/Vt102Emulation.cpp

@@ -540,7 +540,7 @@ void Vt102Emulation::processToken(int token, int p, int q)
     case TY_ESC_DE('8'      ) : _currentScreen->helpAlign            (          ); break;
 
 // resize = \e[8;<row>;<col>t
-    case TY_CSI_PS('t',   8) : setImageSize( q /* columns */, p /* lines */ );    break;
+    case TY_CSI_PS('t',   8) : setImageSize( p /*lines */, q /* columns */ );    break;
 
 // change tab text color : \e[28;<color>t  color: 0-16,777,215
     case TY_CSI_PS('t',   28) : emit changeTabTextColorRequest      ( p        );          break;