remove message name from field

Signed-off-by: xil <fridalu66@gmail.com>

Author: lucy66hw

tools/proto-convert/src/postprocessing/CompatibilityMerger.ts

@@ -238,8 +238,8 @@ export function mergeMessage(
                     reporter?.addFieldChange({
                         messageName: sourceMsg.name,
                         changeType: 'RENAMED',
-                        fieldName: `${sourceOneof.name}.${sourceField.name}`,
-                        incomingType: `→ ${sourceOneof.name}.${upcomingField.name}`
+                        fieldName: `${sourceField.name}`,
+                        incomingType: `→ ${upcomingField.name}`
                     });
                     continue;
                 }