Revert "[compiler][eslint] remove compilationMode override; report ba…

…ilouts on first line"

This reverts commit b34b750.

This hack doesn't play well internally so I'm reverting this for now
(but keeping the compilationMode override). I'll audit the locations we
report later and try to make them more accurate so we won't need this
workaround.

ghstack-source-id: b6be29c11d5e2eae3004ee74cba1b080894c963a
Pull Request resolved: #30792

compiler/packages/eslint-plugin-react-compiler/src/rules/ReactCompilerRule.ts

@@ -166,16 +166,9 @@ const rule: Rule.RuleModule = {
               detail.loc != null && typeof detail.loc !== 'symbol'
                 ? ` (@:${detail.loc.start.line}:${detail.loc.start.column})`
                 : '';
-            const firstLineLoc = {
-              start: event.fnLoc.start,
-              end: {
-                line: event.fnLoc.start.line,
-                column: 10e3,
-              },
-            };
             context.report({
               message: `[ReactCompilerBailout] ${detail.reason}${locStr}`,
-              loc: firstLineLoc,
+              loc: event.fnLoc,
               suggest,
             });
           }