Docs: clarify consequence of using `autoGenerateProxyClasses` with `%debugMode%`

[dakur]

In docs, there is a statement:

But there is no mention about that orm:generate-proxies has to be run on production otherwise the application will fail.

Mine fail when fixtures were applying.

[f3l1x]

Hi ✋ I think we can reference original doctrine docs, what do you think?

[dakur]

Yes, as a point of reference yes. But the problem with %debugMode% must be explained in-place. Something like:

Note that in case of autoGenerateProxyClasses is resolved to false (in production mode), proxy entities have to be generated manually with CLI command. Refer to doctrine docs for more information.