Fix display consistency across all views

Receive view: address now shows color dot and etherscan link,
matching every other address display in the app.

Send view "From": address now includes etherscan link alongside
the existing color dot.

Send view "What to send" (ERC-20 from token view): shows token
symbol as bold heading, then full contract address below with
color dot, copy-on-click, and etherscan link.

Approval views: tx approval From/To addresses now show color
dots and etherscan links instead of bare text. Site approval
address adds etherscan link. Tx approval value uses 4 decimal
places consistent with all other amount displays.

Home tx list: row padding changed from py-1 to py-2, matching
addressDetail and addressToken transaction lists.

src/popup/views/send.js

@@ -1,11 +1,18 @@
 // Send view: collect To, Amount, Token. Then go to confirmation.
 
-const { $, showFlash, formatAddressHtml } = require("./helpers");
+const { $, showFlash, addressDotHtml, escapeHtml } = require("./helpers");
 const { state, currentAddress } = require("../../shared/state");
 let ctx;
 const { getProvider } = require("../../shared/balances");
 const { KNOWN_SYMBOLS } = require("../../shared/tokens");
 
+const EXT_ICON =
+    `<span style="display:inline-block;width:10px;height:10px;margin-left:4px;vertical-align:middle">` +
+    `<svg viewBox="0 0 12 12" fill="none" stroke="currentColor" stroke-width="1.5">` +
+    `<path d="M4.5 1.5H2a.5.5 0 00-.5.5v8a.5.5 0 00.5.5h8a.5.5 0 00.5-.5V7.5"/>` +
+    `<path d="M7 1.5h3.5V5M7 5.5L10.5 1.5"/>` +
+    `</svg></span>`;
+
 function isSpoofedToken(t) {
     const upper = (t.symbol || "").toUpperCase();
     if (!KNOWN_SYMBOLS.has(upper)) return false;
@@ -34,11 +41,17 @@ function renderSendTokenSelect(addr) {
 function updateSendBalance() {
     const addr = currentAddress();
     if (!addr) return;
-    $("send-from").innerHTML = formatAddressHtml(
-        addr.address,
-        addr.ensName || null,
-        null,
-    );
+    const dot = addressDotHtml(addr.address);
+    const link = `https://etherscan.io/address/${addr.address}`;
+    const extLink = `<a href="${link}" target="_blank" rel="noopener" class="inline-flex items-center">${EXT_ICON}</a>`;
+    let fromHtml = "";
+    if (addr.ensName) {
+        fromHtml += `<div class="flex items-center font-bold">${dot}${escapeHtml(addr.ensName)}</div>`;
+        fromHtml += `<div class="break-all">${escapeHtml(addr.address)}${extLink}</div>`;
+    } else {
+        fromHtml += `<div class="flex items-center">${dot}<span class="break-all">${escapeHtml(addr.address)}</span>${extLink}</div>`;
+    }
+    $("send-from").innerHTML = fromHtml;
     const token = state.selectedToken || $("send-token").value;
     if (token === "ETH") {
         $("send-balance").textContent =