fix(ui5-table): call resize handler on initial rendering (#625)

FIXES: #568

Author: MapTo0

packages/base/src/delegate/CustomResize.js

@@ -30,9 +30,10 @@ class CustomResize {
 		CustomResize.resizeListeners.forEach((entry, ref) => {
 			const changed = CustomResize.checkSizes(entry, ref);
 
-			if (changed) {
+			if (changed || (entry && !entry._hasBeenRendered)) {
 				CustomResize.updateSizes(entry, ref.offsetWidth, ref.offsetHeight);
 				entry.callbacks.forEach(el => el());
+				entry._hasBeenRendered = true;
 			}
 		});
 	}

packages/main/src/Table.js

@@ -164,6 +164,8 @@ class Table extends UI5Element {
 		this._delegates.push(this._itemNavigation);
 
 		this.fnOnRowFocused = this.onRowFocused.bind(this);
+
+		this._handleResize = this.popinContent.bind(this);
 	}
 
 	onBeforeRendering() {
@@ -183,11 +185,11 @@ class Table extends UI5Element {
 	}
 
 	onEnterDOM() {
-		ResizeHandler.register(this.getDomRef(), this.popinContent.bind(this));
+		ResizeHandler.register(this.getDomRef(), this._handleResize);
 	}
 
 	onExitDOM() {
-		ResizeHandler.deregister(this.getDomRef(), this.popinContent.bind(this));
+		ResizeHandler.deregister(this.getDomRef(), this._handleResize);
 	}
 
 	onRowFocused(event) {