fix: correct indentation and remove unrelated try/catch in postprocessor

Fix inconsistent indentation of the frontmatter.exists block to match
surrounding code (16 spaces). Remove unrelated try/catch wrapper that
was causing inconsistent indentation at the method boundary.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: Mike Greiner

src/main.ts

@@ -261,11 +261,10 @@ export default class Tracker extends Plugin {
         el: HTMLElement,
         ctx: MarkdownPostProcessorContext
     ) {
-        try {
-            // console.log("postprocess");
-            const canvas = document.createElement("div");
+        // console.log("postprocess");
+        const canvas = document.createElement("div");
 
-            let yamlText = source.trim();
+        let yamlText = source.trim();
 
         // Replace all tabs by spaces
         let tabSize = this.app.vault.getConfig("tabSize");
@@ -538,20 +537,20 @@ export default class Tracker extends Plugin {
                 } // console.log("Search frontmatter keys");
 
                 // console.log("Search frontmatter exists");
-        if (
-            fileCache &&
-            query.getType() === SearchType.FrontmatterExists &&
-            query.getTarget() !== "tags"
-        ) {
-            let gotAnyValue = collecting.collectDataFromFrontmatterExists(
-                fileCache,
-                query,
-                renderInfo,
-                dataMap,
-                xValueMap
-            );
-            processInfo.gotAnyValidYValue ||= gotAnyValue;
-        } // console.log("Search frontmatter exists");
+                if (
+                    fileCache &&
+                    query.getType() === SearchType.FrontmatterExists &&
+                    query.getTarget() !== "tags"
+                ) {
+                    let gotAnyValue = collecting.collectDataFromFrontmatterExists(
+                        fileCache,
+                        query,
+                        renderInfo,
+                        dataMap,
+                        xValueMap
+                    );
+                    processInfo.gotAnyValidYValue ||= gotAnyValue;
+                } // console.log("Search frontmatter exists");
 
                 // console.log("Search wiki links");
                 if (
@@ -787,12 +786,6 @@ export default class Tracker extends Plugin {
         }
 
         el.appendChild(canvas);
-        } catch (error) {
-            console.error("TRACKER: ERROR in postprocessor:", error);
-            console.error("TRACKER: Error stack:", error.stack);
-            const canvas = document.createElement("div");
-            return this.renderErrorMessage("Error: " + error.message, canvas, el);
-        }
     }
 
     // TODO: remove this.app and move to collecting.ts