RFR: 8470: Unresolved placeholders shown in JFR result overview's table mode

[Aymane Harmaz]

This PR populates the summary, explanation, and solution fields of a rule displayed in the result overview table with the actual evaluated values.

The following screenshots show the state before and after the change.

<img width="1106" height="220" alt="unmapped-placeholders" src="https://github.com/user-attachments/assets/af4faee4-4e97-456a-b4a7-3e51fdc5e6a6" />

<img width="1085" height="206" alt="resolved placeholders" src="https://github.com/user-attachments/assets/3df6354a-39de-44c0-8a8d-5aa0e8687f0f" />

-------------

Commit messages:
 - 8470: Unresolved placeholders shown in JFR result overview's table mode

Changes: https://git.openjdk.org/jmc/pull/684/files
  Webrev: https://webrevs.openjdk.org/?repo=jmc&pr=684&range=00
  Issue: https://bugs.openjdk.org/browse/JMC-8470
  Stats: 4 lines in 1 file changed: 1 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jmc/pull/684.diff
  Fetch: git fetch https://git.openjdk.org/jmc.git pull/684/head:pull/684

PR: https://git.openjdk.org/jmc/pull/684