jsdialog: treeview: we no longer need any dummy columns

Because we preprocess data to have all the entries with equal number
of the columns already

Signed-off-by: Szymon Kłos <szymon.klos@collabora.com>
Change-Id: Icda50b2c378c1e39b3847bd18e58e35c2c0de015

browser/src/control/jsdialog/Widget.TreeView.ts

@@ -353,8 +353,7 @@ class TreeViewControl {
 		parent: HTMLElement,
 	) {
 		const tr = L.DomUtil.create('div', 'ui-treeview-entry', parent);
-		let dummyColumns =
-			this._columns - (entry.columns ? entry.columns.length : 0);
+		let dummyColumns = 0;
 		if (this._hasState) dummyColumns++;
 		tr.style.gridColumn = '1 / ' + (this._columns + dummyColumns + 1);
 
@@ -479,15 +478,6 @@ class TreeViewControl {
 				);
 		}
 
-		// dummy columns (for missing elements in current row - eg. icon)
-		let dummyColumns =
-			this._columns - (entry.columns ? entry.columns.length : 0);
-		if (this._isRealTree) dummyColumns--;
-		for (let index = dummyColumns; index > 0; index--) {
-			td = L.DomUtil.create('div', '', tr);
-			rowElements.push(td);
-		}
-
 		// regular columns
 		for (const index in entry.columns) {
 			td = L.DomUtil.create('div', '', tr);
@@ -1083,9 +1073,7 @@ class TreeViewControl {
 					parent,
 				);
 
-				let dummyColumns =
-					this._columns -
-					(entries[index].columns ? entries[index].columns.length : 0);
+				let dummyColumns = 0;
 				if (this._hasState) dummyColumns++;
 				subGrid.style.gridColumn = '1 / ' + (this._columns + dummyColumns + 1);