Modify {activeNote}’s title into a filename. Delete everything preceding the ➡️ emoji, including the ➡️ emoji and the space following it. From the rest, create the filename. Replace empty spaces with underscores. Replace diacritic letters with their non-diacritic equivalents. (For example, instead of `á`, use `a`.) Replace colons with hyphens. Preserve all capitalization. Replace Symbols such as `&` with hyphens. Delete any apostrophes, quotation marks, question marks, exclamation marks, colons, dashes, commas, or periods. Prefix the filename with `illustration-` Return only the fixed filename.