added last log preview

vscode-appdaemon/media/logExplorer.css

@@ -8,3 +8,7 @@
 .block-title{font-weight:600;margin-bottom:6px;color:var(--fg);overflow-wrap:anywhere}
 
 #error-count{font-weight:700;font-size:14px}#error-count.has-errors{color:var(--vscode-editorError-foreground,#ffacac);border-color:currentColor;background:var(--vscode-inputValidation-errorBackground,#5b3039)}
+
+.last-log{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
+summary{display:grid;grid-template-columns:auto minmax(0,1fr) repeat(3,max-content);align-items:center;column-gap:10px;row-gap:5px}
+summary .last-log{grid-column:1/-1;min-width:0}