Enable to send a note in a expanded line

app/assets/javascripts/diffs/components/diff_line_gutter_content.vue

@@ -81,7 +81,6 @@ export default {
         this.showCommentButton &&
         this.isHover &&
         !this.isMatchLine &&
-        !this.isContextLine &&
         !this.isMetaLine &&
         !this.hasDiscussions
       );

app/assets/javascripts/diffs/components/diff_table_cell.vue

@@ -91,7 +91,6 @@ export default {
           this.isLoggedIn &&
           this.isHover &&
           !this.isMatchLine &&
-          !this.isContextLine &&
           !this.isMetaLine,
       };
     },

app/assets/javascripts/diffs/components/parallel_diff_table_row.vue

@@ -48,7 +48,6 @@ export default {
     },
     classNameMap() {
       return {
-        [CONTEXT_LINE_CLASS_NAME]: this.isContextLine,
         [PARALLEL_DIFF_VIEW_TYPE]: true,
       };
     },

app/assets/javascripts/diffs/store/mutations.js

@@ -60,7 +60,14 @@ export default {
     const { highlightedDiffLines, parallelDiffLines } = diffFile;
     removeMatchLine(diffFile, lineNumbers, bottom);
-    const lines = addLineReferences(contextLines, lineNumbers, bottom);
+
+    const lines = addLineReferences(contextLines, lineNumbers, bottom)
+      .map(line => ({
+        ...line,
+        lineCode: line.lineCode || `${fileHash}_${line.oldLine}_${line.newLine}`,
+        discussions: line.discussions || [],
+      }));
+
     addContextLines({
       inlineLines: highlightedDiffLines,
       parallelLines: parallelDiffLines,

app/controllers/projects/blob_controller.rb

@@ -122,7 +122,7 @@ class Projects::BlobController < Projects::ApplicationController
     @lines.map! do |line|
       # These are marked as context lines but are loaded from blobs.
       # We also have context lines loaded from diffs in other places.
-      diff_line = Gitlab::Diff::Line.new(line, 'context', nil, nil, nil)
+      diff_line = Gitlab::Diff::Line.new(line, nil, nil, nil, nil)
       diff_line.rich_text = line
       diff_line
     end