formulaire: correctifs identifiant/année, contact, fichiers optionnels

- Identifiant: mise à jour automatique quand l'année change en back-office (updateThesis + ThesisEditController)
- Contact: hint enrichi (1 seul contact, formatage Instagram/Mastodon)
- Fichiers: TFE rendu optionnel pour Site web/Performance/Installation (note d'intention reste obligatoire)

app/public/assets/js/app/file-upload-filepond.js

@@ -47,24 +47,24 @@
 			labelFileTypeNotAllowed: "Format non accepté",
 			fileValidateTypeLabelExpectedTypes:
 				"PDF, Images, Vidéos, Audio, VTT, Archives",
-			maxFileSize: "500MB",
+			maxFileSize: "1GB",
 			labelMaxFileSizeExceeded: "Fichier trop volumineux",
 			labelMaxFileSize: "Taille max: {filesize}",
 			allowMultiple: true,
 			// Per-extension size limits: certain types get higher caps.
 			perExtensionMaxSize: {
 				pdf: "100MB",
-				mp4: "2GB",
-				webm: "2GB",
-				ogv: "2GB",
-				mov: "2GB",
-				mp3: "2GB",
-				ogg: "2GB",
-				oga: "2GB",
-				wav: "2GB",
-				flac: "2GB",
-				aac: "2GB",
-				m4a: "2GB",
+				mp4: "8GB",
+				webm: "8GB",
+				ogv: "8GB",
+				mov: "8GB",
+				mp3: "8GB",
+				ogg: "8GB",
+				oga: "8GB",
+				wav: "8GB",
+				flac: "8GB",
+				aac: "8GB",
+				m4a: "8GB",
 			},
 		},
 		annexe: {
@@ -76,7 +76,7 @@
 			],
 			labelFileTypeNotAllowed: "Format non accepté",
 			fileValidateTypeLabelExpectedTypes: "PDF, ZIP, TAR, GZ",
-			maxFileSize: "500MB",
+			maxFileSize: "1GB",
 			labelMaxFileSizeExceeded: "Fichier trop volumineux",
 			labelMaxFileSize: "Taille max: {filesize}",
 			allowMultiple: true,