ui: Add patch to remove slicing logs on build

package.json

@@ -30,7 +30,8 @@
       "fastboot@4.1.0": "patches/fastboot@4.1.0.patch",
       "@types/eventsource@1.1.11": "patches/@types__eventsource@1.1.11.patch",
       "matrix-js-sdk@25.0.0": "patches/matrix-js-sdk@25.0.0.patch",
-      "style-loader@2.0.0": "patches/style-loader@2.0.0.patch"
+      "style-loader@2.0.0": "patches/style-loader@2.0.0.patch",
+      "ember-source@4.12.0": "patches/ember-source@4.12.0.patch"
     }
   },
   "devDependencies": {

patches/ember-source@4.12.0.patch

@@ -0,0 +1,75 @@
+diff --git a/CHANGELOG.md b/CHANGELOG.md
+deleted file mode 100644
+index 48f31b2e46b5f9d084ee0d98f630868bc999a639..0000000000000000000000000000000000000000
+diff --git a/dist/ember-template-compiler.js b/dist/ember-template-compiler.js
+index ad57835740cf3a5d7ed718daa40099652652ffed..18dfab820bff3c438b6c39c1de69dd1721d6568a 100644
+--- a/dist/ember-template-compiler.js
++++ b/dist/ember-template-compiler.js
+@@ -11772,13 +11772,30 @@ define("@glimmer/syntax", ["exports", "@glimmer/util", "simple-html-tokenizer",
+       }
+     }
+     attr(m) {
++      var UNKNOWN_POSITION = Object.freeze({
++        line: 1,
++        column: 0
++      });
++      var SYNTHETIC_LOCATION = Object.freeze({
++        source: '(synthetic)',
++        start: UNKNOWN_POSITION,
++        end: UNKNOWN_POSITION
++      });
+       if (m.name === '...attributes') {
+         return this.ctx.builder.splatAttr(this.ctx.table.allocateBlock('attrs'), this.ctx.loc(m.loc));
+       }
+       var offsets = this.ctx.loc(m.loc);
+-      var nameSlice = offsets.sliceStartChars({
+-        chars: m.name.length
+-      }).toSlice(m.name);
++      var synthetic_loc = JSON.stringify(SYNTHETIC_LOCATION);
++      var nameSlice;
++      // Don't try to pull synthetic attributes from the source
++      if (JSON.stringify(offsets) === JSON.stringify(synthetic_loc)) {
++        nameSlice = new SourceSlice({
++          loc: offsets,
++          chars: m.name
++        });
++      } else {
++        nameSlice = offsets.sliceStartChars({ chars: m.name.length }).toSlice(m.name);
++      }
+       var value = this.attrValue(m.value);
+       return this.ctx.builder.attr({
+         name: nameSlice,
+@@ -11830,10 +11847,27 @@ define("@glimmer/syntax", ["exports", "@glimmer/util", "simple-html-tokenizer",
+       };
+     }
+     arg(arg) {
++      var UNKNOWN_POSITION = Object.freeze({
++        line: 1,
++        column: 0
++      });
++      var SYNTHETIC_LOCATION = Object.freeze({
++        source: '(synthetic)',
++        start: UNKNOWN_POSITION,
++        end: UNKNOWN_POSITION
++      });
+       var offsets = this.ctx.loc(arg.loc);
+-      var nameSlice = offsets.sliceStartChars({
+-        chars: arg.name.length
+-      }).toSlice(arg.name);
++      var synthetic_loc = JSON.stringify(SYNTHETIC_LOCATION);
++      var nameSlice;
++      // Don't try to pull synthetic arguments from the source
++      if (JSON.stringify(offsets) === JSON.stringify(synthetic_loc)) {
++        nameSlice = new SourceSlice({
++          loc: offsets,
++          chars: arg.name
++        });
++      } else {
++        nameSlice = offsets.sliceStartChars({ chars: arg.name.length }).toSlice(arg.name);
++      }
+       var value = this.maybeDeprecatedCall(nameSlice, arg.value) || this.attrValue(arg.value);
+       return this.ctx.builder.arg({
+         name: nameSlice,
+diff --git a/dist/packages/@ember/-internals/runtime/.gitignore b/dist/packages/@ember/-internals/runtime/.gitignore
+deleted file mode 100644
+index a1136368651e6eb6d0d93a09c478f4978f4196fa..0000000000000000000000000000000000000000