do not word wrap when removing trailing spaces

Thanks to Gerald for the detailed report!

FIXED-IN: 4.11.5
BUG: 328900

part/document/katedocument.cpp

@@ -4416,6 +4416,10 @@ void KateDocument::removeTrailingSpaces()
   if (remove == 0)
     return;
 
+  // temporarily disable static word wrap (see bug #328900)
+  const bool wordWrapEnabled = config()->wordWrap ();
+  if (wordWrapEnabled) setWordWrap(false);
+
   // get cursor position of active view
   KTextEditor::Cursor curPos = KTextEditor::Cursor::invalid();
   if (activeView()) {
@@ -4446,6 +4450,9 @@ void KateDocument::removeTrailingSpaces()
   }
 
   editEnd();
+
+  // enable word wrap again, if it was enabled (see bug #328900)
+  if (wordWrapEnabled) setWordWrap(true); // see begin of this function
 }