Merge branch '296662-replace-minmax-with-minwidth' into 'master'

Replace minmax with setting min-width

See merge request gitlab-org/gitlab!50881

app/assets/stylesheets/framework/diffs.scss

@@ -588,6 +588,12 @@ table.code {
 
 // Merge request diff grid layout
 .diff-grid {
+  .diff-td {
+    // By default min-width is auto with 1fr which causes some overflow problems
+    // https://gitlab.com/gitlab-org/gitlab/-/issues/296222
+    min-width: 0;
+  }
+
   .diff-grid-row {
     display: grid;
     grid-template-columns: 1fr 1fr;
@@ -601,27 +607,27 @@ table.code {
 
   .diff-grid-comments {
     display: grid;
-    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
+    grid-template-columns: 1fr 1fr;
   }
 
   .diff-grid-drafts {
     display: grid;
-    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
+    grid-template-columns: 1fr 1fr;
   }
 
   &.inline {
     .diff-grid-comments {
       display: grid;
-      grid-template-columns: minmax(0, 1fr);
+      grid-template-columns: 1fr;
     }
 
     .diff-grid-drafts {
       display: grid;
-      grid-template-columns: minmax(0, 1fr);
+      grid-template-columns: 1fr;
     }
 
     .diff-grid-row {
-      grid-template-columns: minmax(0, 1fr);
+      grid-template-columns: 1fr;
     }
 
     .diff-grid-left,