[vtbackend] Fixes statusline being misplaced after resize when being …

…in alt screen (#1091)

Signed-off-by: Christian Parpart <christian@parpart.family>

metainfo.xml

@@ -111,6 +111,7 @@
           <li>Fixes cycling between different selection modes (by speed-clicking) not properly working.</li>
           <li>Fixes tcsh shell integration not working (#1074).</li>
           <li>Fixes `[count]w` ignoring the `[count]` parameter in modal mode.</li>
+          <li>Fixes statusline being misplaced after resize when being in alt screen (#1091).<li>
           <li>Improves mouse selection to be more natural extending into new grid cells.</li>
           <li>Adds `profiles.*.permissions.display_host_writable_statusline` to allow the user to intervene in `DECSSDT 2` VT sequence to show the host writable statusline.</li>
           <li>Adds config entry `input_method_editor` colorscheme key to allow customization of the IME (input method editor) region (#1058).</li>

src/vtbackend/Terminal.cpp

@@ -478,7 +478,7 @@ void Terminal::fillRenderBufferInternal(RenderBuffer& output, bool includeSelect
 
     if (_settings.statusDisplayPosition == StatusDisplayPosition::Bottom)
     {
-        baseLine += _primaryScreen.pageSize().lines.as<LineOffset>();
+        baseLine += pageSize().lines.as<LineOffset>();
         fillRenderBufferStatusLine(output, includeSelection, baseLine);
     }
 }