Fix column width styles for blame when fit-to-screen is enabled

Change-Id: I073658de061f1512b16e08b4540f23b864698a60

polygerrit-ui/app/elements/diff/gr-diff/gr-diff.html

diff --git a/polygerrit-ui/app/elements/diff/gr-diff/gr-diff.html b/polygerrit-ui/app/elements/diff/gr-diff/gr-diff.html
index 7b84ef5..f32234a 100644
--- a/polygerrit-ui/app/elements/diff/gr-diff/gr-diff.html
+++ b/polygerrit-ui/app/elements/diff/gr-diff/gr-diff.html
@@ -215,6 +215,9 @@
       .target-row td.blame {
         background: #eee;
       }
+      col.blame {
+        display: none;
+      }
       td.blame {
         display: none;
         font-family: var(--font-family);
@@ -222,6 +225,9 @@
         padding: 0 .5em;
         white-space: pre;
       }
+      :host(.showBlame) col.blame {
+        display: table-column;
+      }
       :host(.showBlame) td.blame {
         display: table-cell;
       }