refactor: remove additional dead exports and unused actions

Remove buildFontUrl, measureText, uncached, invalidateCache, fetchJsonWithFlareSolver, upsertPermission, deletePermission, bulkImportPermissions, clearAllPermissions, bulkDeletePermissions, bulkDeletePhotos, userReplyTicket, closeTicketByUser. Update staff-smoke-contract test for bulkDeletePhotos removal.

src/components/public/sprite-font.ts

@@ -120,24 +120,6 @@ export async function getFontInfo(font: string): Promise<{
 	return result;
 }
 
-export function measureText(
-	chars: CharInfo[],
-	text: string,
-	avgW: number,
-): { totalW: number } {
-	const map = new Map(chars.map((c) => [c.char, c]));
-	let totalW = 0;
-	for (const ch of text.toLowerCase()) {
-		if (ch === " ") {
-			totalW += avgW;
-		} else {
-			const info = map.get(ch);
-			totalW += info?.w ?? 0;
-		}
-	}
-	return { totalW };
-}
-
 export function getMissingChars(chars: CharInfo[], text: string): Set<string> {
 	const available = new Set(chars.map((c) => c.char));
 	const missing = new Set<string>();