fix(i18n): Change grammar and casing of E2EE

Reported at Transifex.

Signed-off-by: rakekniven <2069590+rakekniven@users.noreply.github.com>

Signed-off-by: rakekniven <2069590+rakekniven@users.noreply.github.com>

iOSClient/Supporting Files/en.lproj/Localizable.strings

@@ -722,7 +722,7 @@
 "_e2e_error_mark_folder_"           = "Encrypt folder";
 "_e2e_error_directory_not_empty_"   = "The directory is not empty";
 "_e2e_error_not_move_"              = "It is not possible move files to encrypted directory";
-"_e2e_error_not_versionwriteable_"  = "The server e2ee version is not compatible with this client";
+"_e2e_error_not_versionwriteable_"  = "The E2EE version of the server is not compatible with this client";
 "_scans_document_"                  = "Scan document";
 "_scanned_images_"                  = "Scanned images";
 "_scan_document_pdf_page_"          = "Page";