Do not process the same FileInfo twice

Signed-off-by: John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com>
Signed-off-by: npmbuildbot[bot] <npmbuildbot[bot]@users.noreply.github.com>

apps/files_sharing/src/views/SharingTab.vue

@@ -183,12 +183,18 @@ export default {
 	},
 
 	watch: {
-		fileInfo() {
-			this.resetState()
-			this.getShares()
+		fileInfo(newFile, oldFile) {
+			if (newFile.id !== oldFile.id) {
+				this.resetState()
+				this.getShares()
+			}
 		},
 	},
 
+	beforeMount() {
+		this.getShares()
+	},
+
 	methods: {
 		/**
 		 * Get the existing shares infos