Replaced RestTemplate with WebClient in synchronous DMI calls

    - added DmiWebClientConfiguration
    - use WebClient in DmiRestClient
    - fixed unit tests
    - encode query params for DMI request
    - added configurable buffer size
    - Re-used ncmp.dmi.httpclient.maximumConnectionsTotal parameter
(as documented in RTD) to control webclient connection poolsize

Issue-ID: CPS-2173
Change-Id: I21584563034d58e8ae3ff3cbcf172e0d14b408fb
Signed-off-by: sourabh_sourabh <sourabh.sourabh@est.tech>
diff --git a/cps-application/src/main/resources/application.yml b/cps-application/src/main/resources/application.yml
index 8100680..7683f0b 100644
--- a/cps-application/src/main/resources/application.yml
+++ b/cps-application/src/main/resources/application.yml
@@ -178,6 +178,7 @@
             maximumConnectionsPerRoute: 50
             maximumConnectionsTotal: 100
             idleConnectionEvictionThresholdInSeconds: 5
+            maximumInMemorySizeInMegabytes: 16
         auth:
             username: ${DMI_USERNAME:cpsuser}
             password: ${DMI_PASSWORD:cpsr0cks!}