fix: use latest webln if available in globalThis after init

[im-adithya]

Title

[bumi]

hmm... should we use the global webln? or shouldn't webln be passed in?

[rolznz]

@bumi currently the issue is the webln object on the Lightning Address is being set on init, which breaks if Bitcoin Connect sets webln after the Lightning Address is created. (this needs to be fixed, I asked @im-adithya to make this change already)

this.options = { proxy: DEFAULT_PROXY, webln: globalThis.webln }; should not set webln by default

[rolznz]

hmm... should we use the global webln? or shouldn't webln be passed in?

I think it is good to fallback to the global webln if you don't pass one in?

[rolznz]

utACK