Make font selection show a live preview on hover; move its code to the backend (#3487)

* Remove FontInput.svelte

* Move font picking to the backend

* Fix Text tool font choice style turning to "-" on font that doesn't support previous style

editor/src/messages/frontend/frontend_message.rs

@@ -39,7 +39,8 @@ pub enum FrontendMessage {
 		#[serde(rename = "fontSize")]
 		font_size: f64,
 		color: Color,
-		url: String,
+		#[serde(rename = "fontData")]
+		font_data: Vec<u8>,
 		transform: [f64; 6],
 		#[serde(rename = "maxWidth")]
 		max_width: Option<f64>,
@@ -47,6 +48,10 @@ pub enum FrontendMessage {
 		max_height: Option<f64>,
 		align: TextAlign,
 	},
+	DisplayEditableTextboxUpdateFontData {
+		#[serde(rename = "fontData")]
+		font_data: Vec<u8>,
+	},
 	DisplayEditableTextboxTransform {
 		transform: [f64; 6],
 	},
@@ -92,8 +97,10 @@ pub enum FrontendMessage {
 		name: String,
 		filename: String,
 	},
-	TriggerFontLoad {
+	TriggerFontCatalogLoad,
+	TriggerFontDataLoad {
 		font: Font,
+		url: String,
 	},
 	TriggerImport,
 	TriggerPersistenceRemoveDocument {