MinusculeMatcher: pay less attention to case mismatches in non-completion contexts (IDEA-119877)

java/java-tests/testData/codeInsight/completion/normalSorting/HonorFirstLetterCase.java

@@ -0,0 +1,11 @@
+import java.io.*;
+
+class Foo {
+  {
+    pim<caret>
+  }
+}
+
+class PNGImageDecoder {}
+class PImageDecoder {}
+class posIdMap {}