SDK: Signature screen loading state improvements

[MananTank]

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PR-Codex overview

This PR focuses on improving the loading state management in the thirdweb package, specifically in the authentication process using the useSiweAuth hook and the SignatureScreen.

Detailed summary

• Added isPending to the state returned by useSiweAuth.
• Updated the condition in SignatureScreen to check for siweAuth.isPending instead of siweAuth.isLoading.
• Modified the condition in ConnectButton to use siweAuth.isPending instead of siweAuth.isLoading.

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[changeset-bot]

🦋 Changeset detected

Latest commit: fd83572

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages

Name	Type
thirdweb	Patch
@thirdweb-dev/wagmi-adapter	Patch

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Name	Status	Preview	Comments	Updated (UTC)
docs-v2	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Apr 24, 2025 10:34pm
login	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Apr 24, 2025 10:34pm
thirdweb_playground	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Apr 24, 2025 10:34pm
thirdweb-www	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Apr 24, 2025 10:34pm
wallet-ui	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Apr 24, 2025 10:34pm

[MananTank]

• SDK: Signature screen loading state improvements #6849 👈 (View in Graphite)
• main

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[github-actions]

size-limit report 📦

Path	Size	Loading time (3g)	Running time (snapdragon)	Total time
thirdweb (esm)	51.16 KB (0%)	1.1 s (0%)	2.4 s (+34.84% 🔺)	3.4 s
thirdweb (cjs)	143.77 KB (0%)	2.9 s (0%)	4.8 s (+3.28% 🔺)	7.7 s
thirdweb (minimal + tree-shaking)	5.66 KB (0%)	114 ms (0%)	362 ms (+145.92% 🔺)	475 ms
thirdweb/chains (tree-shaking)	514 B (0%)	11 ms (0%)	67 ms (+57.92% 🔺)	77 ms
thirdweb/react (minimal + tree-shaking)	19.33 KB (0%)	387 ms (0%)	265 ms (-21.96% 🔽)	652 ms