Observe work incorrect if component has bindings from parent

[stalkerg]

Subj. REPL example: https://svelte.technology/repl?version=1.34.0&gist=f9ea84a2f4f0c6c1a2745244023e8ae8

just try change field.

Example with directly observed from parent:
https://svelte.technology/repl?version=1.34.0&gist=43722dc52a63412f3f89726b5aecc16a

[Rich-Harris]

thanks — fixed in 1.35