WebConsole loading very slowly & Console pods flooded with 304 status code in RHOCP4

Issue

• Loading the web console takes a really long time.

• Console pod logs are flooded with 304 status code with multiple plugin failed.

  $ oc logs console-xxxxxxxxxx-xxxxx 
  
  E0803 11:43:44.265748       1 handlers.go:173] GET request for "acm" plugin failed with 304 status code
  E0803 11:43:44.265799       1 utils.go:41] Failed sending HTTP response body: http: request method or response status code does not allow body
  E0803 11:43:44.269969       1 handlers.go:173] GET request for "mce" plugin failed with 304 status code
  E0803 11:43:44.270002       1 utils.go:41] Failed sending HTTP response body: http: request method or response status code does not allow body
  E0803 11:43:44.273147       1 handlers.go:173] GET request for "odf-console" plugin failed with 304 status code
  E0803 11:43:44.273175       1 utils.go:41] Failed sending HTTP response body: http: request method or response status code does not allow body
  E0803 11:43:44.317448       1 handlers.go:173] GET request for "acm" plugin failed with 304 status code
  E0803 11:43:44.317490       1 utils.go:41] Failed sending HTTP response body: http: request method or response status code does not allow body
  E0803 11:43:44.319146       1 handlers.go:173] GET request for "mce" plugin failed with 304 status code
  E0803 11:43:44.319180       1 utils.go:41] Failed sending HTTP response body: http: request method or response status code does not allow body
  E0803 11:43:44.324403       1 handlers.go:173] GET request for "odf-console" plugin failed with 304 status code
  E0803 11:43:44.324440       1 utils.go:41] Failed sending HTTP response body: http: request method or response status code does not allow body
  E0803 11:43:52.678093       1 handlers.go:173] GET request for "acm" plugin failed with 304 status code