fix(rtl): isolate Latin address text ("Name <email>") from RTL bidi reordering

Unicode's bidi algorithm treats < and > as mirrored characters. When a
plain "Name <email>" string is rendered as a text node inside an
RTL-inherited container, the browser swaps and reorders those brackets
for the whole run, producing garbled output (e.g. "<Maria Lopez
<maria.lopez@company.example" instead of "Maria Lopez
<maria.lopez@company.example>").

Wrapped the affected text in native <bdi>, which auto-detects its own
paragraph direction from its content rather than inheriting the
ancestor's - so a Latin address renders LTR and a genuinely
Arabic/Hebrew/Farsi name still renders RTL, both correctly, in:
- recipient-popover.tsx (shared by the email viewer's From/To/Cc/Bcc
  detail rows and the calendar invitation banner's organizer row)
- email-composer.tsx's read-only From display
- eml-preview.tsx's From/To header lines

Left the equivalent <select><option> cases (composer identity picker,
template identity picker) and the composer's quote-header text (which
becomes actual email body content, already isolated per-paragraph by
the existing TextDirection tiptap extension) out of scope - both need
a different fix approach than <bdi>.

components/email/email-composer.tsx

@@ -2217,11 +2217,11 @@ export function EmailComposer({
                       {generateSubAddress(primaryIdentity?.email || '', subAddressTag, subAddressDelimiter)}
                     </span>
                   ) : (
-                    <>
+                    <bdi>
                       {primaryIdentity?.name
                         ? `${primaryIdentity.name} <${primaryIdentity.email}>`
                         : primaryIdentity?.email || ''}
-                    </>
+                    </bdi>
                   )}
                 </span>
               )}

components/email/recipient-popover.tsx

@@ -135,7 +135,7 @@ export function RecipientPopover({ name, email, displayLabel, onViewContact, cla
           className
         )}
       >
-        {displayLabel || name || email}
+        <bdi>{displayLabel || name || email}</bdi>
       </button>
 
       {isOpen &&