Fix proto client generation

Change-Id: I5f7430a61d64237929d608c92bf3e703863b6724

buf.gen.web.yaml

@@ -5,18 +5,18 @@ plugins:
     path: tools/node_modules/.bin/protoc-gen-ts_proto
     opt:
       - paths=source_relative
-      - ts_proto_opt=esModuleInterop=true
-      - ts_proto_opt=env=browser
-      - ts_proto_opt=forceLong=string
-      - ts_proto_opt=outputClientImpl=grpc-web
-      - ts_proto_out=explorer/src/proto
+      - esModuleInterop=true
+      - env=browser
+      - forceLong=string
+      - outputClientImpl=grpc-web
+      - explorer/src/proto
   - name: tsproto
     out: bridge_ui/src/proto
     path: tools/node_modules/.bin/protoc-gen-ts_proto
     opt:
       - paths=source_relative
-      - ts_proto_opt=esModuleInterop=true
-      - ts_proto_opt=env=browser
-      - ts_proto_opt=forceLong=string
-      - ts_proto_opt=outputClientImpl=grpc-web
-      - ts_proto_out=explorer/src/proto
+      - esModuleInterop=true
+      - env=browser
+      - forceLong=string
+      - outputClientImpl=grpc-web
+      - explorer/src/proto